5th Edition

ISBN: 9780321976444

Author: James S. Walker

Publisher: PEARSON

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If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!

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Textbook Question

Chapter 5, Problem 54GP

CE Predict/Explain Riding in an elevator moving upward with constant speed, you begin a game of darts. (a) Do you have to aim your darts higher than, lower than, or the same as when you play darts on solid ground? (b) Choose the best explanation from among the following:

I. The elevator rises during the time it takes for the dart to travel to the dartboard.
II. The elevator moves with constant velocity Therefore, Newton's laws apply within the elevator in the same way as on the ground.
III. You have to aim lower to compensate for the upward speed of the elevator.

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Chapter 5, Problem 53PCE

Chapter 5, Problem 55GP

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