Quiz 2 - 1 A particle travels along a curved path between...

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1. A particle travels along a curved path between two points P and Q. The displacement of the particle does not depend on (a) the location of P. (b) the location of Q. (c) the distance traveled from P to Q. (d) the shortest distance between P and Q. (e) the direction of Q from P. 2. For which one of the following situations will the path length equal the magnitude of the displacement? (a) A jogger is running around a circular path. (b) A ball is rolling down an inclined plane. (c) A train travels 5 miles east before it stops. It then travels 2 miles west. (d) A ball rises and falls after being thrown straight up from the earth's surface. (e) A ball on the end of a string is moving in a vertical circle. 3. In the process of delivering mail, a postal worker walks 161 m, due east from his truck. He then turns around and walks 194 m, due west. What is the worker’s displacement relative to his truck? (a) 33 m, due west (c) 194 m, due west (e) 355 m, due west (b) 33 m, due east (d) 252 m, due east 4. A racecar, traveling at constant speed, makes one lap around a circular track of radius r in a time t . Note: The circumference of a circle is given by C = 2 π r. Which one of the following statements concerning this car is true? (a)
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Quiz 2 - 1 A particle travels along a curved path between...

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