Conceptual Physics (12th Edition)

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

Chapter 3 - Think and Discuss: 82

Answer

Your friend should say that the dragster rounded the curve at a constant speed, not constant velocity. Constant velocity means both constant speed and constant direction. The dragster changes its direction of motion; only its speed stays the same.
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