Chapter 4 Practice Problems (Practice – no credit) Due: 11:59pm on Friday, February 14, 2014 You will receive no credit for items you complete after the assignment is due. Grading Policy Advice for the Quarterback A quarterback is set up to throw the football to a receiver who is running with a constant velocity directly away from the quarterback and is now a distance away from the quarterback. The quarterback figures that the ball must be thrown at an angle to the horizontal and he estimates that the receiver must catch the ball a time interval after it is thrown to avoid having opposition players prevent the receiver from making the catch. In the following you may assume that the ball is thrown and caught at the same height above the level playing field. Assume that the y coordinate of the ball at the instant it is thrown or caught is and that the horizontal position of the quaterback is . Use for the magnitude of the acceleration due to gravity, and use the pictured inertial coordinate system when solving the problem. Part A Find , the vertical component of the velocity of the ball when the quarterback releases it. Express in terms of and . Hint 1. Equation of motion in y direction What is the expression for , the height of the ball as a function of time? Answer in terms of , , and . v r D  tc y = 0 x = 0 g v0y v0y tc g y(t) t g v0y

## Chapter 4 Practice Problems (Practice – no credit) Due: 11:59pm on Friday, February 14, 2014 You will receive no credit for items you complete after the assignment is due. Grading Policy Advice for the Quarterback A quarterback is set up to throw the football to a receiver who is running with a constant velocity directly away from the quarterback and is now a distance away from the quarterback. The quarterback figures that the ball must be thrown at an angle to the horizontal and he estimates that the receiver must catch the ball a time interval after it is thrown to avoid having opposition players prevent the receiver from making the catch. In the following you may assume that the ball is thrown and caught at the same height above the level playing field. Assume that the y coordinate of the ball at the instant it is thrown or caught is and that the horizontal position of the quaterback is . Use for the magnitude of the acceleration due to gravity, and use the pictured inertial coordinate system when solving the problem. Part A Find , the vertical component of the velocity of the ball when the quarterback releases it. Express in terms of and . Hint 1. Equation of motion in y direction What is the expression for , the height of the ball as a function of time? Answer in terms of , , and . v r D  tc y = 0 x = 0 g v0y v0y tc g y(t) t g v0y

1. The “hesitation beat” heard in ska and reggae can be described as_______. playing strong accents on all four beats. playing just after each of the four beats playing strong accents on 2 & 4. waiting to play the bass drum until the end of the measure.

## 1. The “hesitation beat” heard in ska and reggae can be described as_______. playing strong accents on all four beats. playing just after each of the four beats playing strong accents on 2 & 4. waiting to play the bass drum until the end of the measure.

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10) Three children, Alfredo, Michael, and Connie, are playing on a merry-go-round. Their positions on the merry-go-round are shown in the top-view picture at right. The merry-go-round is rotating clockwise and is neither speeding up nor slowing down. Each of the children will move in a circle as the merry-go-round rotates: Which of the following statements is correct about Michael’s place on the merry-go-round? a) the angular velocity is the same as that of Alfredo and Connie, but the speed is less than Alfredo and greater than Connie b) the angular velocity is the same as Alfredo and Connie, but the speed is greater than Alfredo and less than Connie c) the speed is the same as Alfredo and Connie, but the angular velocity is less than Alfredo and greater than Connie d) the speed is the same as Alfredo and Connie, but his angular velocity is greater than Alfredo and less than Connie e) the speed is greater than Alfredo and the angular velocity is greater than Alfredo

## 10) Three children, Alfredo, Michael, and Connie, are playing on a merry-go-round. Their positions on the merry-go-round are shown in the top-view picture at right. The merry-go-round is rotating clockwise and is neither speeding up nor slowing down. Each of the children will move in a circle as the merry-go-round rotates: Which of the following statements is correct about Michael’s place on the merry-go-round? a) the angular velocity is the same as that of Alfredo and Connie, but the speed is less than Alfredo and greater than Connie b) the angular velocity is the same as Alfredo and Connie, but the speed is greater than Alfredo and less than Connie c) the speed is the same as Alfredo and Connie, but the angular velocity is less than Alfredo and greater than Connie d) the speed is the same as Alfredo and Connie, but his angular velocity is greater than Alfredo and less than Connie e) the speed is greater than Alfredo and the angular velocity is greater than Alfredo

The Kansas City Royals are playing in the World Series

## The Kansas City Royals are playing in the World Series

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Sample to sample: A researcher suspected that students who study with music playing in the background would not retain information as well as students who study under quiet conditions. To test her hypothesis, she randomly assigned 18 participants to either a music or quiet study condition and had them study the same information for the same amount of time. She then administered a 10 item test on the material to all participants. The test scores were interval/ratio data and normally distributed. Assume alpha=.05. Their scores were as follows: Music group: 6, 5, 6, 5, 6, 6, 7, 8, 5 Quiet group: 10, 9, 8, 7, 9, 6, 8, 6, 9 – – Describe what type of decision maker you are. Talk about a time you had to make a decision that affected others and what was the process in which you reached that decision. Be specific. Write your reaction to a club meeting that you have attended. Discuss how you felt about being at the meeting, how the meeting was run, what leadership characteristics did the officers exhibit, etc.? Was the meeting effective? Solving the water scarcity problem to achieve long-term water availability lake chad

## Sample to sample: A researcher suspected that students who study with music playing in the background would not retain information as well as students who study under quiet conditions. To test her hypothesis, she randomly assigned 18 participants to either a music or quiet study condition and had them study the same information for the same amount of time. She then administered a 10 item test on the material to all participants. The test scores were interval/ratio data and normally distributed. Assume alpha=.05. Their scores were as follows: Music group: 6, 5, 6, 5, 6, 6, 7, 8, 5 Quiet group: 10, 9, 8, 7, 9, 6, 8, 6, 9 – – Describe what type of decision maker you are. Talk about a time you had to make a decision that affected others and what was the process in which you reached that decision. Be specific. Write your reaction to a club meeting that you have attended. Discuss how you felt about being at the meeting, how the meeting was run, what leadership characteristics did the officers exhibit, etc.? Was the meeting effective? Solving the water scarcity problem to achieve long-term water availability lake chad

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1-Two notions serve as the basis for all torts: wrongs and compensation. True False 2-The goal of tort law is to put a defendant in the position that he or she would have been in had the tort occurred to the defendant. True False 3-Hayley is injured in an accident precipitated by Isolde. Hayley files a tort action against Isolde, seeking to recover for the damage suffered. Damages that are intended to compensate or reimburse a plaintiff for actual losses are: compensatory damages. reimbursement damages. actual damages. punitive damages. 4-Ladd throws a rock intending to hit Minh but misses and hits Nasir instead. On the basis of the tort of battery, Nasir can sue: Ladd. Minh. the rightful owner of the rock. no one. 4-Luella trespasses on Merchandise Mart’s property. Through the use of reasonable force, Merchandise Mart’s security guard detains Luella until the police arrive. Merchandise Mart is liable for: assault. battery. false imprisonment. none of the choice 6-The extreme risk of an activity is a defense against imposing strict liability. True False 7-Misrepresentation in an ad is enough to show an intent to induce the reliance of anyone who may use the product. True False 8-Luke is playing a video game on a defective disk that melts in his game player, starting a fire that injures his hands. Luke files a suit against Mystic Maze, Inc., the game’s maker under the doctrine of strict liability. A significant application of this doctrine is in the area of: cyber torts. intentional torts. product liability. unintentional torts 9-More than two hundred years ago, the Declaration of Independence recognized the importance of protecting creative works. True False 10-n 2014, Cloud Computing Corporation registers its trademark as provided by federal law. After the first renewal, this registration: is renewable every ten years. is renewable every twenty years. runs for life of the corporation plus seventy years. runs forever. 11-Wendy works as a weather announcer for a TV station under the character name Weather Wendy. Wendy can register her character’s name as: a certification mark. a trade name. a service mark. none of the choices 12-Much of the material on the Internet, including software and database information, is not copyrighted. True False 13-In a criminal case, the state must prove its case by a preponderance of the evidence. True False 14-Under the Fourth Amendmentt, general searches through a person’s belongings are permissible. True False 15-Maura enters a gas station and points a gun at the clerk Nate. She then forces Nate to open the cash register and give her all the money. Maura can be charged with: burglary. robbery. larceny. receiving stolen property. 16-Reno, driving while intoxicated, causes a car accident that results in the death of Santo. Reno is arrested and charged with a felony. A felony is a crime punishable by death or imprisonment for: any period of time. more than one year. more than six months. more than ten days. 17-Corporate officers and directors may be held criminally liable for the actions of employees under their supervision. True False 18-Sal assures Tom that she will deliver a truckload of hay to his cattle ranch. A person’s declaration to do a certain act is part of the definition of: an expectation. a moral obligation. a prediction. a promise. 19-Lark promises to buy Mac’s used textbook for \$60. Lark is: an offeror. an offeree a promisee. a promisor. 20-Casey offers to sell a certain used forklift to DIY Lumber Outlet, but Casey dies before DIY accepts. Most likely, Casey’s death: did not affect the offer. shortened the time of the offer but did not terminated it. extended the time of the offer. terminated the offer.

## 1-Two notions serve as the basis for all torts: wrongs and compensation. True False 2-The goal of tort law is to put a defendant in the position that he or she would have been in had the tort occurred to the defendant. True False 3-Hayley is injured in an accident precipitated by Isolde. Hayley files a tort action against Isolde, seeking to recover for the damage suffered. Damages that are intended to compensate or reimburse a plaintiff for actual losses are: compensatory damages. reimbursement damages. actual damages. punitive damages. 4-Ladd throws a rock intending to hit Minh but misses and hits Nasir instead. On the basis of the tort of battery, Nasir can sue: Ladd. Minh. the rightful owner of the rock. no one. 4-Luella trespasses on Merchandise Mart’s property. Through the use of reasonable force, Merchandise Mart’s security guard detains Luella until the police arrive. Merchandise Mart is liable for: assault. battery. false imprisonment. none of the choice 6-The extreme risk of an activity is a defense against imposing strict liability. True False 7-Misrepresentation in an ad is enough to show an intent to induce the reliance of anyone who may use the product. True False 8-Luke is playing a video game on a defective disk that melts in his game player, starting a fire that injures his hands. Luke files a suit against Mystic Maze, Inc., the game’s maker under the doctrine of strict liability. A significant application of this doctrine is in the area of: cyber torts. intentional torts. product liability. unintentional torts 9-More than two hundred years ago, the Declaration of Independence recognized the importance of protecting creative works. True False 10-n 2014, Cloud Computing Corporation registers its trademark as provided by federal law. After the first renewal, this registration: is renewable every ten years. is renewable every twenty years. runs for life of the corporation plus seventy years. runs forever. 11-Wendy works as a weather announcer for a TV station under the character name Weather Wendy. Wendy can register her character’s name as: a certification mark. a trade name. a service mark. none of the choices 12-Much of the material on the Internet, including software and database information, is not copyrighted. True False 13-In a criminal case, the state must prove its case by a preponderance of the evidence. True False 14-Under the Fourth Amendmentt, general searches through a person’s belongings are permissible. True False 15-Maura enters a gas station and points a gun at the clerk Nate. She then forces Nate to open the cash register and give her all the money. Maura can be charged with: burglary. robbery. larceny. receiving stolen property. 16-Reno, driving while intoxicated, causes a car accident that results in the death of Santo. Reno is arrested and charged with a felony. A felony is a crime punishable by death or imprisonment for: any period of time. more than one year. more than six months. more than ten days. 17-Corporate officers and directors may be held criminally liable for the actions of employees under their supervision. True False 18-Sal assures Tom that she will deliver a truckload of hay to his cattle ranch. A person’s declaration to do a certain act is part of the definition of: an expectation. a moral obligation. a prediction. a promise. 19-Lark promises to buy Mac’s used textbook for \$60. Lark is: an offeror. an offeree a promisee. a promisor. 20-Casey offers to sell a certain used forklift to DIY Lumber Outlet, but Casey dies before DIY accepts. Most likely, Casey’s death: did not affect the offer. shortened the time of the offer but did not terminated it. extended the time of the offer. terminated the offer.

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