Conceptual Physics (12th Edition)

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

Chapter 3 - Think and Discuss: 84

Answer

A ball thrown straight upward has zero speed at the very top of its flight, but acceleration there has a magnitude of $10 \frac{m}{s^{2}}$ directed downward.

Work Step by Step

This is discussed on pages 46-47.
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