Physics: Principles with Applications (7th Edition)

Published by Pearson
ISBN 10: 0-32162-592-7
ISBN 13: 978-0-32162-592-2

Chapter 3 - Kinematics in Two Dimensions; Vectors - Misconceptual Questions: 12

Answer

Choice A.

Work Step by Step

Their relative speed reaches a maximum, 20 m/s, if and only if the cars travel in exactly opposite directions. At some other angle of travel, as in this situation, their relative speed is less than that.
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