Conceptual Physics (12th Edition)

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

Chapter 6 - Think and Explain: 85

Answer

The impulse will be greater if Cassy's hand bounces. The change in momentum of her hand and arm is greater if her hand bounces, which means the impulse is greater. The bricks exert a greater force upward on her hand. By Newton's third law, the force her hand exerts on the bricks is equal and opposite, and is also increased.

Work Step by Step

This is discussed on page 95.
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