PHSX 220 Homework 13 D2L – Friday April 28 – 5:00 pm SHM and Pendula Problem 1: Shown below are 6 identical masses attached to springs and hung vertically. The masses are pulled down various distances and then released. The spring constant (k), spring sti ness, and the distance (d) that the mass is pulled down from its equilibrium position are given for each situation. The expression relating k and m to the angular frequency of the system is the same for both a horizontal and vertical spring-block system. Rank the situations based on the time it takes the mass to get from its maximum height to its minimum height from greatest to least. Problem 2: Shown below are systems containing a block resting on a frictionless surface and attached to the end of a spring. The springs are displaced to the right by a distance given in each gure and then released from rest. The blocks oscillate back and forth. The mass and spring constant are given for each system. Rank the cases based on the frequency of oscillation from greatest to least. Problem 3: Shown below are six masses hung on the ends of strings forming a pendulum. The masses have been pulled to the side and released so that they are swinging back and forth. For each pendulum the diagrams give the mass of the swinging object, the frequency of the swing, and how far, in terms of the angle from the vertical, that the masses were initially pulled to the side. Rank the six cases based on the length of the string from greatest to least. Problem 4: Shown below are four spring-cart systsems that consist of a spring connected to a cart. All systems are shown with the cart located at the equilibrium position. The cart is resting on a horizontal frictionless surface. If the cart is pulled to the right a small distance and released, the mass will oscillate back and forth. The amplitude of oscillation, mass of the cart and spring constants for the four cases are provided in the gure. Rank the cases shown based on their frequency of oscillation from greatest to least.

PHSX 220 Homework 13 D2L – Friday April 28 – 5:00 pm SHM and Pendula Problem 1: Shown below are 6 identical masses attached to springs and hung vertically. The masses are pulled down various distances and then released. The spring constant (k), spring sti ness, and the distance (d) that the mass is pulled down from its equilibrium position are given for each situation. The expression relating k and m to the angular frequency of the system is the same for both a horizontal and vertical spring-block system. Rank the situations based on the time it takes the mass to get from its maximum height to its minimum height from greatest to least. Problem 2: Shown below are systems containing a block resting on a frictionless surface and attached to the end of a spring. The springs are displaced to the right by a distance given in each gure and then released from rest. The blocks oscillate back and forth. The mass and spring constant are given for each system. Rank the cases based on the frequency of oscillation from greatest to least. Problem 3: Shown below are six masses hung on the ends of strings forming a pendulum. The masses have been pulled to the side and released so that they are swinging back and forth. For each pendulum the diagrams give the mass of the swinging object, the frequency of the swing, and how far, in terms of the angle from the vertical, that the masses were initially pulled to the side. Rank the six cases based on the length of the string from greatest to least. Problem 4: Shown below are four spring-cart systsems that consist of a spring connected to a cart. All systems are shown with the cart located at the equilibrium position. The cart is resting on a horizontal frictionless surface. If the cart is pulled to the right a small distance and released, the mass will oscillate back and forth. The amplitude of oscillation, mass of the cart and spring constants for the four cases are provided in the gure. Rank the cases shown based on their frequency of oscillation from greatest to least.

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GEOGRAPHY 325V – “Take Home Exam” 5 LIST/SHORT ANSWER – Worth 10 points each: 50 points. 1) List the 8 eras of New Mexico geography: name three Athabaskan Nations and three Pueblo Nations 2) List and briefly explain the 6 factors that made Spanish settlement in New Mexico successful 3) List and briefly explain 4 types of land grants given by Spain and Mexico: explain three ways land grants were lost during the American Period, and say how many acres of the original grants were retained. 4) Briefly explain how the Manhattan Project happened in New Mexico. In your view, was dropping the atomic bombs on Japan the right thing to do – explain your opinion using facts. How has this history affected New Mexico’s economy today? 5) List and briefly explain 6 landscape traits created by the Laws of the Indies 10 EXPANDED DEFINITIONS – Define and explain each term. 4 points each: 40 points. Chihuahuan Desert: where is it, what season does it rain, and what is a typical plant found here? Don Juan de Oñate: who was he, what year did he come to NM, and what was his significance in the history of New Mexico? El Camino Real: what was it and why was it important? Repartimento: what was this system and how did cause anger in the early Spanish colony? Pueblo Revolt: when and what was it, and what was its outcome? Santuario de Chimayo: write a paragraph explaining its history and religious importance Mayordomo: who is this and what is their importance in the New Mexico landscape? US/Mexico Border Fence/Wall: what are the arguments for and against this project. What is your view? La Llorona: what is this basic story and what is its importance in NM culture? Pancho Villa’s raid on Columbus: what was this, why did it occur, and what was its importance in U.S. military history? ONE ANALYSIS QUESTION: Explain why there was so much resistance in Washington, DC to New Mexico becoming a state. Use two quotes from politicians of the time who were against statehood. Do you think New Mexico is still viewed with suspicion in the USA? Explain why or why not? 10 points.

GEOGRAPHY 325V – “Take Home Exam” 5 LIST/SHORT ANSWER – Worth 10 points each: 50 points. 1) List the 8 eras of New Mexico geography: name three Athabaskan Nations and three Pueblo Nations 2) List and briefly explain the 6 factors that made Spanish settlement in New Mexico successful 3) List and briefly explain 4 types of land grants given by Spain and Mexico: explain three ways land grants were lost during the American Period, and say how many acres of the original grants were retained. 4) Briefly explain how the Manhattan Project happened in New Mexico. In your view, was dropping the atomic bombs on Japan the right thing to do – explain your opinion using facts. How has this history affected New Mexico’s economy today? 5) List and briefly explain 6 landscape traits created by the Laws of the Indies 10 EXPANDED DEFINITIONS – Define and explain each term. 4 points each: 40 points. Chihuahuan Desert: where is it, what season does it rain, and what is a typical plant found here? Don Juan de Oñate: who was he, what year did he come to NM, and what was his significance in the history of New Mexico? El Camino Real: what was it and why was it important? Repartimento: what was this system and how did cause anger in the early Spanish colony? Pueblo Revolt: when and what was it, and what was its outcome? Santuario de Chimayo: write a paragraph explaining its history and religious importance Mayordomo: who is this and what is their importance in the New Mexico landscape? US/Mexico Border Fence/Wall: what are the arguments for and against this project. What is your view? La Llorona: what is this basic story and what is its importance in NM culture? Pancho Villa’s raid on Columbus: what was this, why did it occur, and what was its importance in U.S. military history? ONE ANALYSIS QUESTION: Explain why there was so much resistance in Washington, DC to New Mexico becoming a state. Use two quotes from politicians of the time who were against statehood. Do you think New Mexico is still viewed with suspicion in the USA? Explain why or why not? 10 points.

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Please see the details of the assignment on RLC circuits. ————————————————————————————- Write a Formal Report that conforms to the standards described in the lectures 5 and 6 of this course. The subject of the Formal Report is laboratory work on series and parallel combinations of RLC circuits: RC, RL, series RLC and parallel RLC circuits. In the Introduction section, the importance of studying these circuits should be explained together with a specific set of objectives for the report. The Theory section should outline the essential theory (not a detailed copy of derivations from a text book) with reference made to the source text (eg. textbook) using the correct style. In the Procedure section the method of: MultiSim RLC circuits design, and transient and frequency responses simulation. Building the RLC circuits, and measuring the voltages in the circuits by means of an oscilloscope. The procedures should be explained with the aid of suitable diagrams. The Results section should be based on graphs obtained in MultiSim simulation and laboratory measurements. Tables should be used to summarise, say, a comparison of theoretical, simulated and observed values. The theoretical results may be obtained from calculations. The Discussion section should appraise the accuracy of the results, and the methods used to obtain them. References should be used correctly throughout and the References section should be organised as per the guidelines. Care must be taken to distinguish between a reference list and a bibliography. A word processed report of maximum 1500 word.

Please see the details of the assignment on RLC circuits. ————————————————————————————- Write a Formal Report that conforms to the standards described in the lectures 5 and 6 of this course. The subject of the Formal Report is laboratory work on series and parallel combinations of RLC circuits: RC, RL, series RLC and parallel RLC circuits. In the Introduction section, the importance of studying these circuits should be explained together with a specific set of objectives for the report. The Theory section should outline the essential theory (not a detailed copy of derivations from a text book) with reference made to the source text (eg. textbook) using the correct style. In the Procedure section the method of: MultiSim RLC circuits design, and transient and frequency responses simulation. Building the RLC circuits, and measuring the voltages in the circuits by means of an oscilloscope. The procedures should be explained with the aid of suitable diagrams. The Results section should be based on graphs obtained in MultiSim simulation and laboratory measurements. Tables should be used to summarise, say, a comparison of theoretical, simulated and observed values. The theoretical results may be obtained from calculations. The Discussion section should appraise the accuracy of the results, and the methods used to obtain them. References should be used correctly throughout and the References section should be organised as per the guidelines. Care must be taken to distinguish between a reference list and a bibliography. A word processed report of maximum 1500 word.

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Appendix : Practical 2 – Preparation calculations of 10 beam loading cases Calculate the magnitude of the support reactions in each of the following 10 loading cases: (Beam length = 500mm, each section = 50mm long, average mass of each nut = 53g) 1) 2) 3) 4) 5) 6) 7) 8) 9) 10)   Once you have finished calculating the support reactions for the above 10 cases, record your results in the table on the following page. Results of Calculations Hand this in after you have completed the calculations and recorded the results below. Student Name(s) Student Number Signature Load Case Reaction A (N) Reaction B (N) 1 2 3 4 5 6 7 8 9 10

Appendix : Practical 2 – Preparation calculations of 10 beam loading cases Calculate the magnitude of the support reactions in each of the following 10 loading cases: (Beam length = 500mm, each section = 50mm long, average mass of each nut = 53g) 1) 2) 3) 4) 5) 6) 7) 8) 9) 10)   Once you have finished calculating the support reactions for the above 10 cases, record your results in the table on the following page. Results of Calculations Hand this in after you have completed the calculations and recorded the results below. Student Name(s) Student Number Signature Load Case Reaction A (N) Reaction B (N) 1 2 3 4 5 6 7 8 9 10

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Write 2page papers on the current ATC privatization plans. Congressman Bill Schuster had written a plan last year to privatize Air Traffic Controllers. There are multiple articles online that discuss the current talk about moving forward with the privatization. Things to include in your research: -What are the main reasons some congressman and senators are wanting to make ATC a private entity? -What are the pros and cons of ATC privatization? -How will this affect the general flying public? -Do you see any concern that the private entity would be made of up a corporate board that would be made up of four people appointed by major airlines, two people appointed by the aircraft owners association, one person appointed by the airline pilots union, and one person appointed by the National Air Traffic Controllers Association? -What is NATCA’s (ATC union) view on ATC privatization? -After researching and reading articles, what is your personal opinion on ATC privatization? Provide a work cited page with your references. List a minimum of 3.

Write 2page papers on the current ATC privatization plans. Congressman Bill Schuster had written a plan last year to privatize Air Traffic Controllers. There are multiple articles online that discuss the current talk about moving forward with the privatization. Things to include in your research: -What are the main reasons some congressman and senators are wanting to make ATC a private entity? -What are the pros and cons of ATC privatization? -How will this affect the general flying public? -Do you see any concern that the private entity would be made of up a corporate board that would be made up of four people appointed by major airlines, two people appointed by the aircraft owners association, one person appointed by the airline pilots union, and one person appointed by the National Air Traffic Controllers Association? -What is NATCA’s (ATC union) view on ATC privatization? -After researching and reading articles, what is your personal opinion on ATC privatization? Provide a work cited page with your references. List a minimum of 3.

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Research Paper Write a 10 to 15 page research paper double spaced on some aspect of logistics systems development of the student’s choosing. Note: line spacing format for research papers is double space RESEARCH REPORT FORMAT (MUST BE IN APA FORMAT) STATEMENT OF THE PROBLEM: What is the format that MGT 5061 students should use in their research papers? BACKGROUND: Here each student should comment on the background of their problem. The Background may be simply an academic issue or perhaps involve real problems at work. In any event, the importance of each student’s problem needs to be discussed so the reader understands why he or she should read more about it. DISCUSSION: Now comes the part where each student must write about the research done on his or her problem. What have other experts said about the problem? This information can come from other textbooks, magazine articles, newspapers, or personal interviews. If the student wants to use his or her own experience, that is fine, but the experience must be justified as to its validity. If a comparison between alternatives is being described, the choices should be discussed here in enough detail that a conclusion can be derived as to which one is better. Whenever an information source is cited, it must be referenced by footnotes so that the reader can find exactly where the information came from and what the author of the information exactly said. The style of footnoting used is not important; what is important is that each piece of information is referenced with a page number. Last, a bibliography must be included at the end of the paper. CONCLUSIONS: Once the background research is completed, the next step is to outline the conclusions that can be substantiated from the research DISCUSSION. The substantiation must be defended by saying why the research evidence supports the conclusions that are made. RECOMMENDATIONS: This section is to be used by those students who want to solve problems. By this time, the various choices have been examined in the DISCUSSION above and one was chosen in the CONCLUSION. So, the recommendation should be a simple statement that the preferred alternative be selected with the anticipated benefits that will be derived by the recommended selection.

Research Paper Write a 10 to 15 page research paper double spaced on some aspect of logistics systems development of the student’s choosing. Note: line spacing format for research papers is double space RESEARCH REPORT FORMAT (MUST BE IN APA FORMAT) STATEMENT OF THE PROBLEM: What is the format that MGT 5061 students should use in their research papers? BACKGROUND: Here each student should comment on the background of their problem. The Background may be simply an academic issue or perhaps involve real problems at work. In any event, the importance of each student’s problem needs to be discussed so the reader understands why he or she should read more about it. DISCUSSION: Now comes the part where each student must write about the research done on his or her problem. What have other experts said about the problem? This information can come from other textbooks, magazine articles, newspapers, or personal interviews. If the student wants to use his or her own experience, that is fine, but the experience must be justified as to its validity. If a comparison between alternatives is being described, the choices should be discussed here in enough detail that a conclusion can be derived as to which one is better. Whenever an information source is cited, it must be referenced by footnotes so that the reader can find exactly where the information came from and what the author of the information exactly said. The style of footnoting used is not important; what is important is that each piece of information is referenced with a page number. Last, a bibliography must be included at the end of the paper. CONCLUSIONS: Once the background research is completed, the next step is to outline the conclusions that can be substantiated from the research DISCUSSION. The substantiation must be defended by saying why the research evidence supports the conclusions that are made. RECOMMENDATIONS: This section is to be used by those students who want to solve problems. By this time, the various choices have been examined in the DISCUSSION above and one was chosen in the CONCLUSION. So, the recommendation should be a simple statement that the preferred alternative be selected with the anticipated benefits that will be derived by the recommended selection.

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PHSX 220 Homework 12 D2L – Due Thursday April 13 – 5:00 pm Exam 3 MC Review Problem 1: A 1.0-kg with a velocity of 2.0m/s perpendicular towards a wall rebounds from the wall at 1.5m/s perpendicularlly away from the wall. The change in the momentum of the ball is: A. zero B. 0.5 N s away from wall C. 0.5 N s toward wall D. 3.5 N s away from wall E. 3.5 N s toward wall Problem 2: A 64 kg man stands on a frictionless surface with a 0.10 kg stone at his feet. Both the man and the person are initially at rest. He kicks the stone with his foot so that his end velocity is 0.0017m/s in the forward direction. The velocity of the stone is now: A. 1.1m/s forward B. 1.1m/s backward C. 0.0017m/s forward D. 0.0017m/s backward E. none of these Problem 3: A 2-kg cart, traveling on a rctionless surface with a speed of 3m/s, collides with a stationary 4-kg cart. The carts then stick together. Calculate the magnitude of the impulse exerted by one cart on the other: A. 0 B. 4N s C. 6N s D. 9N s E. 12N s Problem 4: A disc has an initial angular velocity of 18 radians per second. It has a constant angular acceleration of 2.0 radians per second every second and is slowing at rst. How much time elapses before its angular velocity is 18 rad/s in the direction opposite to its initial angular velocity? A. 3.0 s B. 6.0 s C. 9.0 s D. 18 s E. 36 s Problem 5: Three point masses of M, 2M, and 3M, are fastened to a massless rod of length L as shown. The rotational inertia about the rotational axis shown is: A. (ML2=2) B. (ML2) C. (3ML2)=2 D. (6ML2) E. (3ML2)=4 Problem 6: A board is allowed to pivot about its center. A 5-N force is applied 2m from the pivot and another 5-N force is applied 4m from the pivot. These forces are applied at the angles shown in the gure. The magnitude of the net torque about the pivot is: A. 0 Nm B. 5 Nm C. 8.7 Nm D. 15 Nm E. 26 Nm Problem 7: A solid disk (r=0.03 m) and a rotational inertia of 4:5×10􀀀3kgm2 hangs from the ceiling. A string passes over it with a 2.0-kg block and a 4.0-kg block hanging on either end of the string and does not slip as the system starts to move. When the speed of the 4 kg block is 2.0m/s the kinetic energy of the pulley is: A. 0.15 J B. 0.30 J C. 1.0J D. 10 J E. 20 J Problem 8: A merry go round (r= 3.0m, I =600 kgm2) is initially spinning with an angular velocity of 0.80 radians per second when a 20 kg point mass moves from the center to the rim. Calculate the nal angular velocity of the system: A. 0.62 rad/s B. 0.73 rad/s C. 0.80 rad/s D. 0.89 rad/s E. 1.1 rad/s

PHSX 220 Homework 12 D2L – Due Thursday April 13 – 5:00 pm Exam 3 MC Review Problem 1: A 1.0-kg with a velocity of 2.0m/s perpendicular towards a wall rebounds from the wall at 1.5m/s perpendicularlly away from the wall. The change in the momentum of the ball is: A. zero B. 0.5 N s away from wall C. 0.5 N s toward wall D. 3.5 N s away from wall E. 3.5 N s toward wall Problem 2: A 64 kg man stands on a frictionless surface with a 0.10 kg stone at his feet. Both the man and the person are initially at rest. He kicks the stone with his foot so that his end velocity is 0.0017m/s in the forward direction. The velocity of the stone is now: A. 1.1m/s forward B. 1.1m/s backward C. 0.0017m/s forward D. 0.0017m/s backward E. none of these Problem 3: A 2-kg cart, traveling on a rctionless surface with a speed of 3m/s, collides with a stationary 4-kg cart. The carts then stick together. Calculate the magnitude of the impulse exerted by one cart on the other: A. 0 B. 4N s C. 6N s D. 9N s E. 12N s Problem 4: A disc has an initial angular velocity of 18 radians per second. It has a constant angular acceleration of 2.0 radians per second every second and is slowing at rst. How much time elapses before its angular velocity is 18 rad/s in the direction opposite to its initial angular velocity? A. 3.0 s B. 6.0 s C. 9.0 s D. 18 s E. 36 s Problem 5: Three point masses of M, 2M, and 3M, are fastened to a massless rod of length L as shown. The rotational inertia about the rotational axis shown is: A. (ML2=2) B. (ML2) C. (3ML2)=2 D. (6ML2) E. (3ML2)=4 Problem 6: A board is allowed to pivot about its center. A 5-N force is applied 2m from the pivot and another 5-N force is applied 4m from the pivot. These forces are applied at the angles shown in the gure. The magnitude of the net torque about the pivot is: A. 0 Nm B. 5 Nm C. 8.7 Nm D. 15 Nm E. 26 Nm Problem 7: A solid disk (r=0.03 m) and a rotational inertia of 4:5×10􀀀3kgm2 hangs from the ceiling. A string passes over it with a 2.0-kg block and a 4.0-kg block hanging on either end of the string and does not slip as the system starts to move. When the speed of the 4 kg block is 2.0m/s the kinetic energy of the pulley is: A. 0.15 J B. 0.30 J C. 1.0J D. 10 J E. 20 J Problem 8: A merry go round (r= 3.0m, I =600 kgm2) is initially spinning with an angular velocity of 0.80 radians per second when a 20 kg point mass moves from the center to the rim. Calculate the nal angular velocity of the system: A. 0.62 rad/s B. 0.73 rad/s C. 0.80 rad/s D. 0.89 rad/s E. 1.1 rad/s

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