Conceptual Physics (12th Edition)

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

Chapter 3 - Reading Check Questions (Comprehension) - Page 52: 2

Answer

For describing speed, one needs to know the distance traveled, and the time taken to travel that distance.

Work Step by Step

This is discussed on page 41.
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