Essay Assignment: Due December 6th, on Blackboard by 11:59 PM. Note: At least one draft (hardcopy, handed up in class) should be given to the instructor one week before due date (last date to give instructor draft is 1st December). If draft is not given, 20% will be taken off final grade for essay. Assignment Objective: This assignment is intended to provide you with the opportunity to reflect upon the course and material over the semester. Instructions: In this essay you will need think back prior to the semester and construct how you would have described ‘the self.’ Consider as your guide the many ways that the self has been studied over the course of the semester. For instance, you might consider the ways we have discussed: (1) the nature of the soul, (2) personal identity, (3) the relationship to others, (4) the ‘racial’ or ‘gendered’ self, (5) the self and freedom, (6) the social influences (economics, technology, and consumerism, for example) upon your self-development, etc. You should select one to two dimensions of the self and provide a description of what you thought about those prior to the course. Then, give a description of what you think about that or those dimension(s) of the self now. Be sure to reference the course material, either through the literature, or an author, or a driving concept from the course that you can explain in reference to the concept(s) you now hold. Within your discussion provide a comparison of what you thought prior to the course to what you now think of those dimension(s) of the self. In what ways has your conception of the ‘self’ changed, stayed the same, become enriched (or not). Be sure to give some explanation as to what has changed, or has not changed, and in what ways. Format: The paper should be in Times New Roman font, size 12, and double spaced. It should be about 1,200 words (approx. 4-5 pages). You will be required to have a bibliography and a cover page which includes the following: 1) The title of your paper. 2) Your name. 3) Your Student ID number. Citations: The recommended style of citation is Chicago (please see Blackboard for guidelines). You can use other styles if you like but the most important thing is to remain clear and consistent in the referencing style that you use. Please use at least 2-3 citations. Instruction for upload: Please upload it online onto Blackboard on the tab on the left hand side, entitled ‘Final Essay’ before midnight on December 6th. No hard copy is needed, but, as stated above, you will be required to give a hard copy of the draft at least one week before to the instructor. Grading: The final essay will be graded on: (1) how the instructions of the assignment were followed, (2) the accurateness and clarity in descriptions of course material (authors, core concepts, arguments, etc.), (3) the precision/correctness of writing, and (4) accuracy of referencing style.

Essay Assignment: Due December 6th, on Blackboard by 11:59 PM. Note: At least one draft (hardcopy, handed up in class) should be given to the instructor one week before due date (last date to give instructor draft is 1st December). If draft is not given, 20% will be taken off final grade for essay. Assignment Objective: This assignment is intended to provide you with the opportunity to reflect upon the course and material over the semester. Instructions: In this essay you will need think back prior to the semester and construct how you would have described ‘the self.’ Consider as your guide the many ways that the self has been studied over the course of the semester. For instance, you might consider the ways we have discussed: (1) the nature of the soul, (2) personal identity, (3) the relationship to others, (4) the ‘racial’ or ‘gendered’ self, (5) the self and freedom, (6) the social influences (economics, technology, and consumerism, for example) upon your self-development, etc. You should select one to two dimensions of the self and provide a description of what you thought about those prior to the course. Then, give a description of what you think about that or those dimension(s) of the self now. Be sure to reference the course material, either through the literature, or an author, or a driving concept from the course that you can explain in reference to the concept(s) you now hold. Within your discussion provide a comparison of what you thought prior to the course to what you now think of those dimension(s) of the self. In what ways has your conception of the ‘self’ changed, stayed the same, become enriched (or not). Be sure to give some explanation as to what has changed, or has not changed, and in what ways. Format: The paper should be in Times New Roman font, size 12, and double spaced. It should be about 1,200 words (approx. 4-5 pages). You will be required to have a bibliography and a cover page which includes the following: 1) The title of your paper. 2) Your name. 3) Your Student ID number. Citations: The recommended style of citation is Chicago (please see Blackboard for guidelines). You can use other styles if you like but the most important thing is to remain clear and consistent in the referencing style that you use. Please use at least 2-3 citations. Instruction for upload: Please upload it online onto Blackboard on the tab on the left hand side, entitled ‘Final Essay’ before midnight on December 6th. No hard copy is needed, but, as stated above, you will be required to give a hard copy of the draft at least one week before to the instructor. Grading: The final essay will be graded on: (1) how the instructions of the assignment were followed, (2) the accurateness and clarity in descriptions of course material (authors, core concepts, arguments, etc.), (3) the precision/correctness of writing, and (4) accuracy of referencing style.

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CHM114: Exam #1 CHM 114, S2015 Exam #1, Version B Instructor: O. Graudejus Points: 100 Print Name Sign Name Student I.D. # 1. You are responsible for the information on this page. Please read it carefully. 2. If you enter your ASU ID incorrectly on the scantron, a 3 point penalty will be assessed. 3. Code your name and 10 digit affiliate identification number on the separate scantron answer sheet. Use only a #2 pencil 4. Do all calculations on the exam pages. Do not make any unnecessary marks on the answer sheet. 5. This exam consists of 25 multiple choice questions worth 4 points each and a periodic table. Make sure you have them all. 6. Choose the best answer to each of the questions and answer it on the computer-graded answer sheet. Read all responses before making a selection. 7. Read the directions carefully for each problem. 8. Avoid even casual glances at other students’ exams. 9. Stop writing and hand in your scantron answer sheet and your test promptly when instructed. LATE EXAMS MAY HAVE POINTS DEDUCTED. 10. You will have 50 minutes to complete the exam. 11. If you leave early, please do so quietly. 12. Work the easiest problems first. 13. A periodic table is attached as the last page to this exam. 14. Answers will be posted online this afternoon. Potentially useful information: K = ºC + 273.15 Avogadro’s Number = 6.022 × 1023 particles/mole 1amu = 1.66·10-24 g 1 cal=4.184 J \ -2- CHM 114: Exam #1 1) What volume (mL) of a concentrated solution of sodium hydroxide (6.00 M) must be diluted to 200.0 mL to make a 0.880 M solution of sodium hydroxide? A) 2.64 B) 176 C) 29.3 D) 26.4 E) 50.0 2) Sulfur and fluorine react in a combination reaction to produce sulfur hexafluoride: S (s) + 3 F2 (g)  SF6 (g) The maximum amount of SF6 that can be produced from the reaction of 3.5 g of sulfur with 4.5 g of fluorine is __________ g. A) 5.8 B) 3.2 C) 12 D) 16 E) 8.0 3) Of the reactions below, only __________ is not spontaneous. A) 2 2 Mg (s) 2HCl + (aq)®MgCl (aq) + H (g) B) 2 4 2 4 2 2Ni (s) + H SO (aq) ®Ni SO (aq) + H (g) C) 3 2 2Al (s) + 6HBr (aq)®2AlBr (aq) + 3H (g) D) 3 3 2 2Ag (s) + 2HNO (aq) ®2AgNO (aq) + H (g) E) 2 2 Zn (s) + 2HI (aq) ®ZnI (aq) + H (g) 4) Which solution has the same number of moles of NaOH as 40.00 mL of 0.100M solution of NaOH? A) 20.00 mL of 0.200M solution of NaOH B) 25.00 mL of 0.175M solution of NaOH C) 30.00 mL of 0.145M solution of NaOH D) 50.00 mL of 0.125M solution of NaOH E) 100.00 mL of 0.0500M solution of NaOH 5) What is the concentration (M) of a NaCl solution prepared by dissolving 9.3 g of NaCl in sufficient water to give 450 mL of solution? A) 0.35 B) 0.16 C) 0.45 D) 27 E) -2 2.7×10 -3- CHM 114: Exam #1 6) In which reaction does the oxidation number of hydrogen change? A) 2 HCl (aq) NaOH (+ aq)® NaCl (aq) + H O (l) B) 2 2 CaO (s) + H O (l) ®Ca(OH) (s) C) 4 3 4 2 2 2 2 HClO (aq) + CaCO (s) ® Ca(ClO ) (aq) + H O (l) +CO (g) D) 2 2 2 3 SO (g) + H O (l)®H SO (aq) E) 2 2 2 Na (s) + 2H O (l) ® 2 NaOH (aq) + H (g) 7) Which atom has the smallest number of neutrons? A) phosphorus-30 B) chlorine-37 C) potassium-39 D) argon-40 E) calcium-40 8) The change in the internal energy of a system that absorbs 2,500 J of heat and that has received 7,655 J of work by the surroundings is __________ J. A) -10,155 B) -5,155 C) 7 −1.91×10 D) 10,155 E) 5,155 9) When a metal and a nonmetal react, the __________ tends to lose electrons and the __________ tends to gain electrons. A) metal, metal B) nonmetal, nonmetal C) metal, nonmetal D) nonmetal, metal E) None of the above, these elements share electrons. 10) What is the oxidation number of nitrogen in HNO2? A) -5 B) -3 C) 0 D) +3 E) +5 -4- CHM 114: Exam #1 11) Elements in Group 7A are known as the __________. A) chalcogens B) alkaline earth metals C) alkali metals D) halogens E) noble gases 12) The concentration of iodide ions in a 0.193 M solution of sodium iodide is __________. A) 0.193 M B) 0.386 M C) 0.0965 M D) 0.579 M E) 0.0643 M 13) Lithium and nitrogen react to produce lithium nitride: 6Li (s) + N2 (g)  2Li3N (s) How many moles of N2 are needed to react with 1.422 mol of lithium? A) 4.26 B) 0.710 C) 0.237 D) 2.13 E) 0.118 14) The balanced equation for the decomposition of sodium azide is __________. A) 2NaN3 (s)  Na2 (s) + 3 N2 (g) B) NaN3 (s)  Na (s) + N2 (g) C) 2NaN3 (s)  2Na (s) + 3 N2 (g) D) NaN3 (s)  Na (s) + N2 (g) + N (g) E) 2NaN3 (s)  2Na (s) + 2 N2 (g) 15) A sample of CH2F2 with a mass of 9.5 g contains __________ atoms of F. A) 2.2 × 1023 B) 38 C) 3.3 × 1024 D) 4.4 × 1023 E) 9.5 -5- CHM 114: Exam #1 16) An unknown element is found to have three naturally occurring isotopes with atomic masses of 35.9675 (0.337%), 37.9627 (0.063%), and 39.9624 (99.600%). Which of the following is the unknown element? A) Ar B) K C) Cl D) Ca E) None of the above could be the unknown element. 17) The value of DH° for the reaction below is -482 kJ. Calculate the heat (kJ) released to the surroundings when 24.0 g of CO (g) reacts completely. 2 2 2CO(g) +O (g)®2CO (g) A) 3 2.89×10 B) 207 C) 103 D) 65.7 E) -482 18) Lead (II) carbonate decomposes to give lead (II) oxide and carbon dioxide: PbCO3 (s)  PbO (s) + CO2 (g) __________ grams of carbondioxide will be produced by the decomposition of 7.50 g of lead (II) carbonate? A) 1.23 B) 2.50 C) 0.00936 D) 6.26 E) 7.83 19) Combining aqueous solutions of BaCl2 and K2SO4 affords a precipitate of 4 BaSO . Which ion(s) is/are spectator ions in the reaction? A) 2 Ba only + B) K+ only C) 2 2 Ba and SO4 + − D) SO4 2- and Cl- E) K+ and Cl- 20) Which combination will produce a precipitate? A) Pb(NO3)2 (aq) and HCl (aq) B) Cu(NO3)2 (aq) and KCl (aq) C) KOH (aq) and HNO3 (aq) D) AgNO3 (aq) and HNO3 (aq) E) NaOH (aq) and Sr(NO3)2 (aq) -6- CHM 114: Exam #1 21) There are __________ sulfur atoms in 50 molecules of C4H4S2. A) 1.5 × 1025 B) 100 C) 3.0 × 1025 D) 50 E) 6.02 × 1023 22) A compound contains 38.7% K, 13.9% N, and 47.4% O by mass. What is the empirical formula of the compound? A) K2N2O3 B) KNO2 C) KNO3 D) K2NO3 E) K4NO5 23) Predict the empirical formula of the ionic compound that forms from sodium and fluorine. A) 2 Na F B) 2 NaF C) 2 3 Na F D) NaF E) 3 2 Na F 24) The mass % of Krypton in the binary compound KrF2 is __________. A) 18.48 B) 45.38 C) 68.80 D) 81.52 E) 31.20 25) The correct name for K2SO3 is __________. A) potassium sulfate B) potassium disulfide C) potassium sulfite D) potassium sulfide E) dipotassium sulfate -7- CHM 114: Exam #1

CHM114: Exam #1 CHM 114, S2015 Exam #1, Version B Instructor: O. Graudejus Points: 100 Print Name Sign Name Student I.D. # 1. You are responsible for the information on this page. Please read it carefully. 2. If you enter your ASU ID incorrectly on the scantron, a 3 point penalty will be assessed. 3. Code your name and 10 digit affiliate identification number on the separate scantron answer sheet. Use only a #2 pencil 4. Do all calculations on the exam pages. Do not make any unnecessary marks on the answer sheet. 5. This exam consists of 25 multiple choice questions worth 4 points each and a periodic table. Make sure you have them all. 6. Choose the best answer to each of the questions and answer it on the computer-graded answer sheet. Read all responses before making a selection. 7. Read the directions carefully for each problem. 8. Avoid even casual glances at other students’ exams. 9. Stop writing and hand in your scantron answer sheet and your test promptly when instructed. LATE EXAMS MAY HAVE POINTS DEDUCTED. 10. You will have 50 minutes to complete the exam. 11. If you leave early, please do so quietly. 12. Work the easiest problems first. 13. A periodic table is attached as the last page to this exam. 14. Answers will be posted online this afternoon. Potentially useful information: K = ºC + 273.15 Avogadro’s Number = 6.022 × 1023 particles/mole 1amu = 1.66·10-24 g 1 cal=4.184 J \ -2- CHM 114: Exam #1 1) What volume (mL) of a concentrated solution of sodium hydroxide (6.00 M) must be diluted to 200.0 mL to make a 0.880 M solution of sodium hydroxide? A) 2.64 B) 176 C) 29.3 D) 26.4 E) 50.0 2) Sulfur and fluorine react in a combination reaction to produce sulfur hexafluoride: S (s) + 3 F2 (g)  SF6 (g) The maximum amount of SF6 that can be produced from the reaction of 3.5 g of sulfur with 4.5 g of fluorine is __________ g. A) 5.8 B) 3.2 C) 12 D) 16 E) 8.0 3) Of the reactions below, only __________ is not spontaneous. A) 2 2 Mg (s) 2HCl + (aq)®MgCl (aq) + H (g) B) 2 4 2 4 2 2Ni (s) + H SO (aq) ®Ni SO (aq) + H (g) C) 3 2 2Al (s) + 6HBr (aq)®2AlBr (aq) + 3H (g) D) 3 3 2 2Ag (s) + 2HNO (aq) ®2AgNO (aq) + H (g) E) 2 2 Zn (s) + 2HI (aq) ®ZnI (aq) + H (g) 4) Which solution has the same number of moles of NaOH as 40.00 mL of 0.100M solution of NaOH? A) 20.00 mL of 0.200M solution of NaOH B) 25.00 mL of 0.175M solution of NaOH C) 30.00 mL of 0.145M solution of NaOH D) 50.00 mL of 0.125M solution of NaOH E) 100.00 mL of 0.0500M solution of NaOH 5) What is the concentration (M) of a NaCl solution prepared by dissolving 9.3 g of NaCl in sufficient water to give 450 mL of solution? A) 0.35 B) 0.16 C) 0.45 D) 27 E) -2 2.7×10 -3- CHM 114: Exam #1 6) In which reaction does the oxidation number of hydrogen change? A) 2 HCl (aq) NaOH (+ aq)® NaCl (aq) + H O (l) B) 2 2 CaO (s) + H O (l) ®Ca(OH) (s) C) 4 3 4 2 2 2 2 HClO (aq) + CaCO (s) ® Ca(ClO ) (aq) + H O (l) +CO (g) D) 2 2 2 3 SO (g) + H O (l)®H SO (aq) E) 2 2 2 Na (s) + 2H O (l) ® 2 NaOH (aq) + H (g) 7) Which atom has the smallest number of neutrons? A) phosphorus-30 B) chlorine-37 C) potassium-39 D) argon-40 E) calcium-40 8) The change in the internal energy of a system that absorbs 2,500 J of heat and that has received 7,655 J of work by the surroundings is __________ J. A) -10,155 B) -5,155 C) 7 −1.91×10 D) 10,155 E) 5,155 9) When a metal and a nonmetal react, the __________ tends to lose electrons and the __________ tends to gain electrons. A) metal, metal B) nonmetal, nonmetal C) metal, nonmetal D) nonmetal, metal E) None of the above, these elements share electrons. 10) What is the oxidation number of nitrogen in HNO2? A) -5 B) -3 C) 0 D) +3 E) +5 -4- CHM 114: Exam #1 11) Elements in Group 7A are known as the __________. A) chalcogens B) alkaline earth metals C) alkali metals D) halogens E) noble gases 12) The concentration of iodide ions in a 0.193 M solution of sodium iodide is __________. A) 0.193 M B) 0.386 M C) 0.0965 M D) 0.579 M E) 0.0643 M 13) Lithium and nitrogen react to produce lithium nitride: 6Li (s) + N2 (g)  2Li3N (s) How many moles of N2 are needed to react with 1.422 mol of lithium? A) 4.26 B) 0.710 C) 0.237 D) 2.13 E) 0.118 14) The balanced equation for the decomposition of sodium azide is __________. A) 2NaN3 (s)  Na2 (s) + 3 N2 (g) B) NaN3 (s)  Na (s) + N2 (g) C) 2NaN3 (s)  2Na (s) + 3 N2 (g) D) NaN3 (s)  Na (s) + N2 (g) + N (g) E) 2NaN3 (s)  2Na (s) + 2 N2 (g) 15) A sample of CH2F2 with a mass of 9.5 g contains __________ atoms of F. A) 2.2 × 1023 B) 38 C) 3.3 × 1024 D) 4.4 × 1023 E) 9.5 -5- CHM 114: Exam #1 16) An unknown element is found to have three naturally occurring isotopes with atomic masses of 35.9675 (0.337%), 37.9627 (0.063%), and 39.9624 (99.600%). Which of the following is the unknown element? A) Ar B) K C) Cl D) Ca E) None of the above could be the unknown element. 17) The value of DH° for the reaction below is -482 kJ. Calculate the heat (kJ) released to the surroundings when 24.0 g of CO (g) reacts completely. 2 2 2CO(g) +O (g)®2CO (g) A) 3 2.89×10 B) 207 C) 103 D) 65.7 E) -482 18) Lead (II) carbonate decomposes to give lead (II) oxide and carbon dioxide: PbCO3 (s)  PbO (s) + CO2 (g) __________ grams of carbondioxide will be produced by the decomposition of 7.50 g of lead (II) carbonate? A) 1.23 B) 2.50 C) 0.00936 D) 6.26 E) 7.83 19) Combining aqueous solutions of BaCl2 and K2SO4 affords a precipitate of 4 BaSO . Which ion(s) is/are spectator ions in the reaction? A) 2 Ba only + B) K+ only C) 2 2 Ba and SO4 + − D) SO4 2- and Cl- E) K+ and Cl- 20) Which combination will produce a precipitate? A) Pb(NO3)2 (aq) and HCl (aq) B) Cu(NO3)2 (aq) and KCl (aq) C) KOH (aq) and HNO3 (aq) D) AgNO3 (aq) and HNO3 (aq) E) NaOH (aq) and Sr(NO3)2 (aq) -6- CHM 114: Exam #1 21) There are __________ sulfur atoms in 50 molecules of C4H4S2. A) 1.5 × 1025 B) 100 C) 3.0 × 1025 D) 50 E) 6.02 × 1023 22) A compound contains 38.7% K, 13.9% N, and 47.4% O by mass. What is the empirical formula of the compound? A) K2N2O3 B) KNO2 C) KNO3 D) K2NO3 E) K4NO5 23) Predict the empirical formula of the ionic compound that forms from sodium and fluorine. A) 2 Na F B) 2 NaF C) 2 3 Na F D) NaF E) 3 2 Na F 24) The mass % of Krypton in the binary compound KrF2 is __________. A) 18.48 B) 45.38 C) 68.80 D) 81.52 E) 31.20 25) The correct name for K2SO3 is __________. A) potassium sulfate B) potassium disulfide C) potassium sulfite D) potassium sulfide E) dipotassium sulfate -7- CHM 114: Exam #1

EGT 300 – Statics and Strength of Materials 1. Two structural mebers B and C are bolted to the brackedt A. Knowing that the tension in member B is 2000 N and the tension in C is 1500 N, determine the magnitude (in N.) of the resultant force acting on the bracket. 2. A hoist trolley is subjected to the three forces shown. Knowing that P = 250 lb, determine the magnitude of the resultant (in lb.). 3. The collar A may slide freely on the horizontal smooth rod. Determine the magnitude of the force P (in kN.) required to maintain equilibrium when the dimension c is 8 m. 4. Determine the volume (in mm3) of the solid obtained by rotating the area of the figure show, about the x axis. 5. In the previous problem (6), determine the volume (in dm3) of the solid, by rotating the area about the y axis. 6. Using the method of joints, determine the force (in kN) in the member CA of the truss shown. 7. The coefficient of friction between the block and the rail are µs =0.30 and µk = 0.25. Find the magnitude of the smallest force P (in N) required to start the block up to the rail. 8. Determine the momentum at the beam support B (in lb.in) for the given loading.

EGT 300 – Statics and Strength of Materials 1. Two structural mebers B and C are bolted to the brackedt A. Knowing that the tension in member B is 2000 N and the tension in C is 1500 N, determine the magnitude (in N.) of the resultant force acting on the bracket. 2. A hoist trolley is subjected to the three forces shown. Knowing that P = 250 lb, determine the magnitude of the resultant (in lb.). 3. The collar A may slide freely on the horizontal smooth rod. Determine the magnitude of the force P (in kN.) required to maintain equilibrium when the dimension c is 8 m. 4. Determine the volume (in mm3) of the solid obtained by rotating the area of the figure show, about the x axis. 5. In the previous problem (6), determine the volume (in dm3) of the solid, by rotating the area about the y axis. 6. Using the method of joints, determine the force (in kN) in the member CA of the truss shown. 7. The coefficient of friction between the block and the rail are µs =0.30 and µk = 0.25. Find the magnitude of the smallest force P (in N) required to start the block up to the rail. 8. Determine the momentum at the beam support B (in lb.in) for the given loading.

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Explain ethical egoism. Identify and explain at least one serious problem with the theory. Then answer this question: Do you think that ethical egoism is true? Why or why not? Use at least one example to support your line of reasoning. Papers will be graded on a scale of 0-100 using the following grading rubric: 1. mechanics: The paper is written with correct grammar, punctuation, spelling and other mechanical points. (10 points) 2. style: The sentences are clear and concise, using university-level language. (10 points) 3. coherence: The ordering of the paragraphs and the ordering of the sentences within the paragraphs make the ideas presented easy to understand. (10 points) 4. logic: The paper sticks to answering the assigned question and does not drift into irrelevant or marginally relevant issues. (20 points) 5. knowledge: The paper contains a clear, careful and thorough explanation of the moral theory. (25 points) 6. ideas: The paper includes a clearly stated conclusion and a coherent explanation of the reasons to support that conclusion. (This portion of your paper is addressing the last three questions in either assigned topic.) (25 points)

Explain ethical egoism. Identify and explain at least one serious problem with the theory. Then answer this question: Do you think that ethical egoism is true? Why or why not? Use at least one example to support your line of reasoning. Papers will be graded on a scale of 0-100 using the following grading rubric: 1. mechanics: The paper is written with correct grammar, punctuation, spelling and other mechanical points. (10 points) 2. style: The sentences are clear and concise, using university-level language. (10 points) 3. coherence: The ordering of the paragraphs and the ordering of the sentences within the paragraphs make the ideas presented easy to understand. (10 points) 4. logic: The paper sticks to answering the assigned question and does not drift into irrelevant or marginally relevant issues. (20 points) 5. knowledge: The paper contains a clear, careful and thorough explanation of the moral theory. (25 points) 6. ideas: The paper includes a clearly stated conclusion and a coherent explanation of the reasons to support that conclusion. (This portion of your paper is addressing the last three questions in either assigned topic.) (25 points)

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Of the following transitions in the Bohr hydrogen atom, the __________ transition results in the absorption of the lowest-energy photon. A) n = 1 n = 6 B) n = 6 n = 1 C) n = 6 n = 5 D) n = 3 n = 6 E) n = 1 n = 4

Of the following transitions in the Bohr hydrogen atom, the __________ transition results in the absorption of the lowest-energy photon. A) n = 1 n = 6 B) n = 6 n = 1 C) n = 6 n = 5 D) n = 3 n = 6 E) n = 1 n = 4

Public Communication Campaign Proposal Your public communication campaign proposal should be a minimum of 20 pages campaign proposal or project for a local or international organization. The proposal should address the following campaign design areas: 1. An introduction to your choice of organization 2. Background research about the topic or issue you are proposing the campaign for 3. Theoretical grounding for your campaign a. What theoretical foundation supports your campaign and what is the theory about? Define the theory b. Provide examples from the literature on how your choice of particular theory has been used. 4. Define the target audience and provide justification for your choice of audience 5. I d e n t i f y y o u r c hoice of medium/mediums and provide justification for your choice of medium/mediums and an explanation of how the medium/mediums will be used in the campaign 6. Choice of evaluation and explanation of how the campaign will be evaluated Students will propose campaign projects from the perspective of a consultant. Imagine yourself as consultant and in competition with other consultants to develop a public communication campaign for your topic/issue of choice. Students will be evaluated on the quality and cohesiveness of their public communication campaign proposals with focus on the different components required above.

Public Communication Campaign Proposal Your public communication campaign proposal should be a minimum of 20 pages campaign proposal or project for a local or international organization. The proposal should address the following campaign design areas: 1. An introduction to your choice of organization 2. Background research about the topic or issue you are proposing the campaign for 3. Theoretical grounding for your campaign a. What theoretical foundation supports your campaign and what is the theory about? Define the theory b. Provide examples from the literature on how your choice of particular theory has been used. 4. Define the target audience and provide justification for your choice of audience 5. I d e n t i f y y o u r c hoice of medium/mediums and provide justification for your choice of medium/mediums and an explanation of how the medium/mediums will be used in the campaign 6. Choice of evaluation and explanation of how the campaign will be evaluated Students will propose campaign projects from the perspective of a consultant. Imagine yourself as consultant and in competition with other consultants to develop a public communication campaign for your topic/issue of choice. Students will be evaluated on the quality and cohesiveness of their public communication campaign proposals with focus on the different components required above.

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1. Which of the following accepts the electrons from the electron transfer chains durning aerobic respiration? A) carbon dioxide. B) Glucose. C)NADPH D) Oxygen. E) NADH 2. How many ATP are produced durning electron Transfer Phosphorylation? A) 2 B) 4 C) 32 D) 36 3. Which of the following substances result when a human muscle cells undergoes Anerobic respiration? A) Alcohol B) Acetyl Coa C)Lactose D) Oxygen 4. Durning Aerobic Respiration a hydrogen ion gradient forms and the hydrogen ions eventually flow through a protein called? A) Acetyl Coa B) ATP synthase C)Oxalocaetate D) NADH 5. Which of the following are components of a DNA nucleotide? A)Deoxyribose. B)Glucose C)Nitrogenous base D) Two of the above . E) Three of the above. 6. Which of the following best dsecribes the structure of DNA? A)Long and thin B) short and fat C) uniform diameter D)Highly variable E) Two of the above 7. When is Oxygen released? A) During the light dependent Reactions of photosynthesis B)During the light independent Reactions of photosynthesis C) During Anaerobic Respiration D) During Aerobic Respiration 8. During photosynthesis, which of the following are produced and then used in the manfacture of a sugar? A)ATP B)Oxygen C)NADPH D) Two of the above E) three of the above 9. Who is credited with the establishing the double stranded nature and model of DNA For which a Nobel Prize was awarded? A)Henrietta Lacks. B)Charles Drawin C)Mendel and Darwin D)Rosalind FRanklin E) Waston and Crick 10. Where are photosystems located? A)Inner mitochondrial membranes B)Outer mitochondrial membranes C)Thylakoid Membranes D)Storma E) Cytoplasm

1. Which of the following accepts the electrons from the electron transfer chains durning aerobic respiration? A) carbon dioxide. B) Glucose. C)NADPH D) Oxygen. E) NADH 2. How many ATP are produced durning electron Transfer Phosphorylation? A) 2 B) 4 C) 32 D) 36 3. Which of the following substances result when a human muscle cells undergoes Anerobic respiration? A) Alcohol B) Acetyl Coa C)Lactose D) Oxygen 4. Durning Aerobic Respiration a hydrogen ion gradient forms and the hydrogen ions eventually flow through a protein called? A) Acetyl Coa B) ATP synthase C)Oxalocaetate D) NADH 5. Which of the following are components of a DNA nucleotide? A)Deoxyribose. B)Glucose C)Nitrogenous base D) Two of the above . E) Three of the above. 6. Which of the following best dsecribes the structure of DNA? A)Long and thin B) short and fat C) uniform diameter D)Highly variable E) Two of the above 7. When is Oxygen released? A) During the light dependent Reactions of photosynthesis B)During the light independent Reactions of photosynthesis C) During Anaerobic Respiration D) During Aerobic Respiration 8. During photosynthesis, which of the following are produced and then used in the manfacture of a sugar? A)ATP B)Oxygen C)NADPH D) Two of the above E) three of the above 9. Who is credited with the establishing the double stranded nature and model of DNA For which a Nobel Prize was awarded? A)Henrietta Lacks. B)Charles Drawin C)Mendel and Darwin D)Rosalind FRanklin E) Waston and Crick 10. Where are photosystems located? A)Inner mitochondrial membranes B)Outer mitochondrial membranes C)Thylakoid Membranes D)Storma E) Cytoplasm

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Chapter 6 Practice Problems (Practice – no credit) Due: 11:59pm on Friday, March 14, 2014 You will receive no credit for items you complete after the assignment is due. Grading Policy PSS 6.1 Equilibrium Problems Learning Goal: To practice Problem-Solving Strategy 6.1 for equilibrium problems. A pair of students are lifting a heavy trunk on move-in day. Using two ropes tied to a small ring at the center of the top of the trunk, they pull the trunk straight up at a constant velocity . Each rope makes an angle with respect to the vertical. The gravitational force acting on the trunk has magnitude . Find the tension in each rope. PROBLEM-SOLVING STRATEGY 6.1 Equilibrium problems MODEL: Make simplifying assumptions. VISUALIZE: Establish a coordinate system, define symbols, and identify what the problem is asking you to find. This is the process of translating words into symbols. Identify all forces acting on the object, and show them on a free-body diagram. These elements form the pictorial representation of the problem. SOLVE: The mathematical representation is based on Newton’s first law: . The vector sum of the forces is found directly from the free-body diagram. v  FG T F  = = net i F  i 0 ASSESS: Check if your result has the correct units, is reasonable, and answers the question. Model The trunk is moving at a constant velocity. This means that you can model it as a particle in dynamic equilibrium and apply the strategy above. Furthermore, you can ignore the masses of the ropes and the ring because it is reasonable to assume that their combined weight is much less than the weight of the trunk. Visualize Part A The most convenient coordinate system for this problem is one in which the y axis is vertical and the ropes both lie in the xy plane, as shown below. Identify the forces acting on the trunk, and then draw a free-body diagram of the trunk in the diagram below. The black dot represents the trunk as it is lifted by the students. Draw the vectors starting at the black dot. The location and orientation of the vectors will be graded. The length of the vectors will not be graded. ANSWER: Part B This question will be shown after you complete previous question(s). Solve Part C This question will be shown after you complete previous question(s). Assess Part D This question will be shown after you complete previous question(s). A Gymnast on a Rope A gymnast of mass 70.0 hangs from a vertical rope attached to the ceiling. You can ignore the weight of the rope and assume that the rope does not stretch. Use the value for the acceleration of gravity. Part A Calculate the tension in the rope if the gymnast hangs motionless on the rope. Express your answer in newtons. You did not open hints for this part. ANSWER: Part B Calculate the tension in the rope if the gymnast climbs the rope at a constant rate. Express your answer in newtons. You did not open hints for this part. kg 9.81m/s2 T T = N T ANSWER: Part C Calculate the tension in the rope if the gymnast climbs up the rope with an upward acceleration of magnitude 1.10 . Express your answer in newtons. You did not open hints for this part. ANSWER: Part D Calculate the tension in the rope if the gymnast slides down the rope with a downward acceleration of magnitude 1.10 . Express your answer in newtons. You did not open hints for this part. ANSWER: T = N T m/s2 T = N T m/s2 T = N Applying Newton’s 2nd Law Learning Goal: To learn a systematic approach to solving Newton’s 2nd law problems using a simple example. Once you have decided to solve a problem using Newton’s 2nd law, there are steps that will lead you to a solution. One such prescription is the following: Visualize the problem and identify special cases. Isolate each body and draw the forces acting on it. Choose a coordinate system for each body. Apply Newton’s 2nd law to each body. Write equations for the constraints and other given information. Solve the resulting equations symbolically. Check that your answer has the correct dimensions and satisfies special cases. If numbers are given in the problem, plug them in and check that the answer makes sense. Think about generalizations or simplfications of the problem. As an example, we will apply this procedure to find the acceleration of a block of mass that is pulled up a frictionless plane inclined at angle with respect to the horizontal by a perfect string that passes over a perfect pulley to a block of mass that is hanging vertically. Visualize the problem and identify special cases First examine the problem by drawing a picture and visualizing the motion. Apply Newton’s 2nd law, , to each body in your mind. Don’t worry about which quantities are given. Think about the forces on each body: How are these consistent with the direction of the acceleration for that body? Can you think of any special cases that you can solve quickly now and use to test your understanding later? m2  m1 F = ma One special case in this problem is if , in which case block 1 would simply fall freely under the acceleration of gravity: . Part A Consider another special case in which the inclined plane is vertical ( ). In this case, for what value of would the acceleration of the two blocks be equal to zero? Express your answer in terms of some or all of the variables and . ANSWER: Isolate each body and draw the forces acting on it A force diagram should include only real forces that act on the body and satisfy Newton’s 3rd law. One way to check if the forces are real is to detrmine whether they are part of a Newton’s 3rd law pair, that is, whether they result from a physical interaction that also causes an opposite force on some other body, which may not be part of the problem. Do not decompose the forces into components, and do not include resultant forces that are combinations of other real forces like centripetal force or fictitious forces like the “centrifugal” force. Assign each force a symbol, but don’t start to solve the problem at this point. Part B Which of the four drawings is a correct force diagram for this problem? = 0 m2 = −g a 1 j ^  = /2 m1 m2 g m1 = ANSWER: Choose a coordinate system for each body Newton’s 2nd law, , is a vector equation. To add or subtract vectors it is often easiest to decompose each vector into components. Whereas a particular set of vector components is only valid in a particular coordinate system, the vector equality holds in any coordinate system, giving you freedom to pick a coordinate system that most simplifies the equations that result from the component equations. It’s generally best to pick a coordinate system where the acceleration of the system lies directly on one of the coordinate axes. If there is no acceleration, then pick a coordinate system with as many unknowns as possible along the coordinate axes. Vectors that lie along the axes appear in only one of the equations for each component, rather than in two equations with trigonometric prefactors. Note that it is sometimes advantageous to use different coordinate systems for each body in the problem. In this problem, you should use Cartesian coordinates and your axes should be stationary with respect to the inclined plane. Part C Given the criteria just described, what orientation of the coordinate axes would be best to use in this problem? In the answer options, “tilted” means with the x axis oriented parallel to the plane (i.e., at angle to the horizontal), and “level” means with the x axis horizontal. ANSWER: Apply Newton’s 2nd law to each body a b c d F  = ma  tilted for both block 1 and block 2 tilted for block 1 and level for block 2 level for block 1 and tilted for block 2 level for both block 1 and block 2 Part D What is , the sum of the x components of the forces acting on block 2? Take forces acting up the incline to be positive. Express your answer in terms of some or all of the variables tension , , the magnitude of the acceleration of gravity , and . You did not open hints for this part. ANSWER: Part E This question will be shown after you complete previous question(s). Part F This question will be shown after you complete previous question(s). Part G This question will be shown after you complete previous question(s). Lifting a Bucket A 6- bucket of water is being pulled straight up by a string at a constant speed. F2x T m2 g  m2a2x =F2x = kg Part A What is the tension in the rope? ANSWER: Part B This question will be shown after you complete previous question(s). Part C This question will be shown after you complete previous question(s). Friction Force on a Dancer on a Drawbridge A dancer is standing on one leg on a drawbridge that is about to open. The coefficients of static and kinetic friction between the drawbridge and the dancer’s foot are and , respectively. represents the normal force exerted on the dancer by the bridge, and represents the gravitational force exerted on the dancer, as shown in the drawing . For all the questions, we can assume that the bridge is a perfectly flat surface and lacks the curvature characteristic of most bridges. about 42 about 60 about 78 0 because the bucket has no acceleration. N N N N μs μk n F  g Part A Before the drawbridge starts to open, it is perfectly level with the ground. The dancer is standing still on one leg. What is the x component of the friction force, ? Express your answer in terms of some or all of the variables , , and/or . You did not open hints for this part. ANSWER: Part B The drawbridge then starts to rise and the dancer continues to stand on one leg. The drawbridge stops just at the point where the dancer is on the verge of slipping. What is the magnitude of the frictional force now? Express your answer in terms of some or all of the variables , , and/or . The angle should not appear in your answer. F  f n μs μk Ff = Ff n μs μk  You did not open hints for this part. ANSWER: Part C Then, because the bridge is old and poorly designed, it falls a little bit and then jerks. This causes the person to start to slide down the bridge at a constant speed. What is the magnitude of the frictional force now? Express your answer in terms of some or all of the variables , , and/or . The angle should not appear in your answer. ANSWER: Part D The bridge starts to come back down again. The dancer stops sliding. However, again because of the age and design of the bridge it never makes it all the way down; rather it stops half a meter short. This half a meter corresponds to an angle degree (see the diagram, which has the angle exaggerated). What is the force of friction now? Express your answer in terms of some or all of the variables , , and . Ff = Ff n μs μk  Ff =   1 Ff  n Fg You did not open hints for this part. ANSWER: Kinetic Friction Ranking Task Below are eight crates of different mass. The crates are attached to massless ropes, as indicated in the picture, where the ropes are marked by letters. Each crate is being pulled to the right at the same constant speed. The coefficient of kinetic friction between each crate and the surface on which it slides is the same for all eight crates. Ff = Part A Rank the ropes on the basis of the force each exerts on the crate immediately to its left. Rank from largest to smallest. To rank items as equivalent, overlap them. You did not open hints for this part. ANSWER: Pushing a Block Learning Goal: To understand kinetic and static friction. A block of mass lies on a horizontal table. The coefficient of static friction between the block and the table is . The coefficient of kinetic friction is , with . Part A m μs μk μk < μs If the block is at rest (and the only forces acting on the block are the force due to gravity and the normal force from the table), what is the magnitude of the force due to friction? You did not open hints for this part. ANSWER: Part B Suppose you want to move the block, but you want to push it with the least force possible to get it moving. With what force must you be pushing the block just before the block begins to move? Express the magnitude of in terms of some or all the variables , , and , as well as the acceleration due to gravity . You did not open hints for this part. ANSWER: Part C Suppose you push horizontally with half the force needed to just make the block move. What is the magnitude of the friction force? Express your answer in terms of some or all of the variables , , and , as well as the acceleration due to gravity . You did not open hints for this part. Ffriction = F F μs μk m g F = μs μk m g ANSWER: Part D Suppose you push horizontally with precisely enough force to make the block start to move, and you continue to apply the same amount of force even after it starts moving. Find the acceleration of the block after it begins to move. Express your answer in terms of some or all of the variables , , and , as well as the acceleration due to gravity . You did not open hints for this part. ANSWER: Score Summary: Your score on this assignment is 0%. You received 0 out of a possible total of 0 points. Ffriction = a μs μk m g a =

Chapter 6 Practice Problems (Practice – no credit) Due: 11:59pm on Friday, March 14, 2014 You will receive no credit for items you complete after the assignment is due. Grading Policy PSS 6.1 Equilibrium Problems Learning Goal: To practice Problem-Solving Strategy 6.1 for equilibrium problems. A pair of students are lifting a heavy trunk on move-in day. Using two ropes tied to a small ring at the center of the top of the trunk, they pull the trunk straight up at a constant velocity . Each rope makes an angle with respect to the vertical. The gravitational force acting on the trunk has magnitude . Find the tension in each rope. PROBLEM-SOLVING STRATEGY 6.1 Equilibrium problems MODEL: Make simplifying assumptions. VISUALIZE: Establish a coordinate system, define symbols, and identify what the problem is asking you to find. This is the process of translating words into symbols. Identify all forces acting on the object, and show them on a free-body diagram. These elements form the pictorial representation of the problem. SOLVE: The mathematical representation is based on Newton’s first law: . The vector sum of the forces is found directly from the free-body diagram. v  FG T F  = = net i F  i 0 ASSESS: Check if your result has the correct units, is reasonable, and answers the question. Model The trunk is moving at a constant velocity. This means that you can model it as a particle in dynamic equilibrium and apply the strategy above. Furthermore, you can ignore the masses of the ropes and the ring because it is reasonable to assume that their combined weight is much less than the weight of the trunk. Visualize Part A The most convenient coordinate system for this problem is one in which the y axis is vertical and the ropes both lie in the xy plane, as shown below. Identify the forces acting on the trunk, and then draw a free-body diagram of the trunk in the diagram below. The black dot represents the trunk as it is lifted by the students. Draw the vectors starting at the black dot. The location and orientation of the vectors will be graded. The length of the vectors will not be graded. ANSWER: Part B This question will be shown after you complete previous question(s). Solve Part C This question will be shown after you complete previous question(s). Assess Part D This question will be shown after you complete previous question(s). A Gymnast on a Rope A gymnast of mass 70.0 hangs from a vertical rope attached to the ceiling. You can ignore the weight of the rope and assume that the rope does not stretch. Use the value for the acceleration of gravity. Part A Calculate the tension in the rope if the gymnast hangs motionless on the rope. Express your answer in newtons. You did not open hints for this part. ANSWER: Part B Calculate the tension in the rope if the gymnast climbs the rope at a constant rate. Express your answer in newtons. You did not open hints for this part. kg 9.81m/s2 T T = N T ANSWER: Part C Calculate the tension in the rope if the gymnast climbs up the rope with an upward acceleration of magnitude 1.10 . Express your answer in newtons. You did not open hints for this part. ANSWER: Part D Calculate the tension in the rope if the gymnast slides down the rope with a downward acceleration of magnitude 1.10 . Express your answer in newtons. You did not open hints for this part. ANSWER: T = N T m/s2 T = N T m/s2 T = N Applying Newton’s 2nd Law Learning Goal: To learn a systematic approach to solving Newton’s 2nd law problems using a simple example. Once you have decided to solve a problem using Newton’s 2nd law, there are steps that will lead you to a solution. One such prescription is the following: Visualize the problem and identify special cases. Isolate each body and draw the forces acting on it. Choose a coordinate system for each body. Apply Newton’s 2nd law to each body. Write equations for the constraints and other given information. Solve the resulting equations symbolically. Check that your answer has the correct dimensions and satisfies special cases. If numbers are given in the problem, plug them in and check that the answer makes sense. Think about generalizations or simplfications of the problem. As an example, we will apply this procedure to find the acceleration of a block of mass that is pulled up a frictionless plane inclined at angle with respect to the horizontal by a perfect string that passes over a perfect pulley to a block of mass that is hanging vertically. Visualize the problem and identify special cases First examine the problem by drawing a picture and visualizing the motion. Apply Newton’s 2nd law, , to each body in your mind. Don’t worry about which quantities are given. Think about the forces on each body: How are these consistent with the direction of the acceleration for that body? Can you think of any special cases that you can solve quickly now and use to test your understanding later? m2  m1 F = ma One special case in this problem is if , in which case block 1 would simply fall freely under the acceleration of gravity: . Part A Consider another special case in which the inclined plane is vertical ( ). In this case, for what value of would the acceleration of the two blocks be equal to zero? Express your answer in terms of some or all of the variables and . ANSWER: Isolate each body and draw the forces acting on it A force diagram should include only real forces that act on the body and satisfy Newton’s 3rd law. One way to check if the forces are real is to detrmine whether they are part of a Newton’s 3rd law pair, that is, whether they result from a physical interaction that also causes an opposite force on some other body, which may not be part of the problem. Do not decompose the forces into components, and do not include resultant forces that are combinations of other real forces like centripetal force or fictitious forces like the “centrifugal” force. Assign each force a symbol, but don’t start to solve the problem at this point. Part B Which of the four drawings is a correct force diagram for this problem? = 0 m2 = −g a 1 j ^  = /2 m1 m2 g m1 = ANSWER: Choose a coordinate system for each body Newton’s 2nd law, , is a vector equation. To add or subtract vectors it is often easiest to decompose each vector into components. Whereas a particular set of vector components is only valid in a particular coordinate system, the vector equality holds in any coordinate system, giving you freedom to pick a coordinate system that most simplifies the equations that result from the component equations. It’s generally best to pick a coordinate system where the acceleration of the system lies directly on one of the coordinate axes. If there is no acceleration, then pick a coordinate system with as many unknowns as possible along the coordinate axes. Vectors that lie along the axes appear in only one of the equations for each component, rather than in two equations with trigonometric prefactors. Note that it is sometimes advantageous to use different coordinate systems for each body in the problem. In this problem, you should use Cartesian coordinates and your axes should be stationary with respect to the inclined plane. Part C Given the criteria just described, what orientation of the coordinate axes would be best to use in this problem? In the answer options, “tilted” means with the x axis oriented parallel to the plane (i.e., at angle to the horizontal), and “level” means with the x axis horizontal. ANSWER: Apply Newton’s 2nd law to each body a b c d F  = ma  tilted for both block 1 and block 2 tilted for block 1 and level for block 2 level for block 1 and tilted for block 2 level for both block 1 and block 2 Part D What is , the sum of the x components of the forces acting on block 2? Take forces acting up the incline to be positive. Express your answer in terms of some or all of the variables tension , , the magnitude of the acceleration of gravity , and . You did not open hints for this part. ANSWER: Part E This question will be shown after you complete previous question(s). Part F This question will be shown after you complete previous question(s). Part G This question will be shown after you complete previous question(s). Lifting a Bucket A 6- bucket of water is being pulled straight up by a string at a constant speed. F2x T m2 g  m2a2x =F2x = kg Part A What is the tension in the rope? ANSWER: Part B This question will be shown after you complete previous question(s). Part C This question will be shown after you complete previous question(s). Friction Force on a Dancer on a Drawbridge A dancer is standing on one leg on a drawbridge that is about to open. The coefficients of static and kinetic friction between the drawbridge and the dancer’s foot are and , respectively. represents the normal force exerted on the dancer by the bridge, and represents the gravitational force exerted on the dancer, as shown in the drawing . For all the questions, we can assume that the bridge is a perfectly flat surface and lacks the curvature characteristic of most bridges. about 42 about 60 about 78 0 because the bucket has no acceleration. N N N N μs μk n F  g Part A Before the drawbridge starts to open, it is perfectly level with the ground. The dancer is standing still on one leg. What is the x component of the friction force, ? Express your answer in terms of some or all of the variables , , and/or . You did not open hints for this part. ANSWER: Part B The drawbridge then starts to rise and the dancer continues to stand on one leg. The drawbridge stops just at the point where the dancer is on the verge of slipping. What is the magnitude of the frictional force now? Express your answer in terms of some or all of the variables , , and/or . The angle should not appear in your answer. F  f n μs μk Ff = Ff n μs μk  You did not open hints for this part. ANSWER: Part C Then, because the bridge is old and poorly designed, it falls a little bit and then jerks. This causes the person to start to slide down the bridge at a constant speed. What is the magnitude of the frictional force now? Express your answer in terms of some or all of the variables , , and/or . The angle should not appear in your answer. ANSWER: Part D The bridge starts to come back down again. The dancer stops sliding. However, again because of the age and design of the bridge it never makes it all the way down; rather it stops half a meter short. This half a meter corresponds to an angle degree (see the diagram, which has the angle exaggerated). What is the force of friction now? Express your answer in terms of some or all of the variables , , and . Ff = Ff n μs μk  Ff =   1 Ff  n Fg You did not open hints for this part. ANSWER: Kinetic Friction Ranking Task Below are eight crates of different mass. The crates are attached to massless ropes, as indicated in the picture, where the ropes are marked by letters. Each crate is being pulled to the right at the same constant speed. The coefficient of kinetic friction between each crate and the surface on which it slides is the same for all eight crates. Ff = Part A Rank the ropes on the basis of the force each exerts on the crate immediately to its left. Rank from largest to smallest. To rank items as equivalent, overlap them. You did not open hints for this part. ANSWER: Pushing a Block Learning Goal: To understand kinetic and static friction. A block of mass lies on a horizontal table. The coefficient of static friction between the block and the table is . The coefficient of kinetic friction is , with . Part A m μs μk μk < μs If the block is at rest (and the only forces acting on the block are the force due to gravity and the normal force from the table), what is the magnitude of the force due to friction? You did not open hints for this part. ANSWER: Part B Suppose you want to move the block, but you want to push it with the least force possible to get it moving. With what force must you be pushing the block just before the block begins to move? Express the magnitude of in terms of some or all the variables , , and , as well as the acceleration due to gravity . You did not open hints for this part. ANSWER: Part C Suppose you push horizontally with half the force needed to just make the block move. What is the magnitude of the friction force? Express your answer in terms of some or all of the variables , , and , as well as the acceleration due to gravity . You did not open hints for this part. Ffriction = F F μs μk m g F = μs μk m g ANSWER: Part D Suppose you push horizontally with precisely enough force to make the block start to move, and you continue to apply the same amount of force even after it starts moving. Find the acceleration of the block after it begins to move. Express your answer in terms of some or all of the variables , , and , as well as the acceleration due to gravity . You did not open hints for this part. ANSWER: Score Summary: Your score on this assignment is 0%. You received 0 out of a possible total of 0 points. Ffriction = a μs μk m g a =

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