Conceptual Physics (12th Edition)

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

Chapter 3 - Think and Discuss: 93


My friend is incorrect in this case.

Work Step by Step

Let's call east the positive direction. If the car is moving east with a positive velocity and slowing down, its acceleration is negative, meaning it is directed toward the west.
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