Physics: Principles with Applications (7th Edition)

Published by Pearson
ISBN 10: 0-32162-592-7
ISBN 13: 978-0-32162-592-2

Chapter 7 - Linear Momentum - Questions: 18

Answer

If the bat were a stationary, large-mass object such as a wall, the rebounded baseball would travel away only about as fast as it came in. A pitched ball with a faster incoming speed would bounce away faster. A similar argument shows why a fast incoming baseball will rebound from a moving bat much faster than a slow incoming baseball.

Work Step by Step

This can be shown formally by applying equation 7–7 for a 1-D elastic collision. This is also similar to the “gravitational slingshot” effect discussed on page 197.
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