Conceptual Physics (12th Edition)

Published by Addison-Wesley
ISBN 10: 0321909100
ISBN 13: 978-0-32190-910-7

Chapter 7 - Think and Explain: 64


No, according to the occupants of the plane.

Work Step by Step

The KE of the ball as reported by occupants in the airplane depends only on the speed of the ball as they see it. If the plane were moving at 50 m/s or 100 m/s, the game would look the same. Observers on the Earth would record a kinetic energy that depends on the plane's speed.
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