University Physics with Modern Physics (14th Edition)

by Young, Hugh D.; Freedman, Roger A.

Published by Pearson

ISBN 10: 0321973615

ISBN 13: 978-0-32197-361-0

Chapter 8 - Momentum, Impulse, and Collision - Problems - Discussion Questions - Page 263: Q8.23

Answer

The correct answer is (b) Only its mechanical energy is conserved. The other statements are not true.

Work Step by Step

(a) The apple speeds up so the momentum is not conserved. (b) The potential energy is converted into kinetic energy, so mechanical energy is conserved. (c) Momentum is not conserved. (d) The speed increases so the kinetic energy is not conserved.

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