Essential University Physics: Volume 1 (3rd Edition)

Published by Pearson
ISBN 10: 0321993721
ISBN 13: 978-0-32199-372-4

Chapter 9 - Exercises and Problems - Page 166: 94



Work Step by Step

If the collision was totally inelastic, the ball would stick to the floor, which is clearly not the result. The collision, however, is clearly not completely elastic either: if it were, then average kinetic energy would remain the same for each interval. We know that this is not the case as the maximum height attained decreases, meaning that c is the correct answer.
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