College Physics (7th Edition)

Published by Pearson
ISBN 10: 0-32160-183-1
ISBN 13: 978-0-32160-183-4

Chapter 2 - Kinematics: Description of Motion - Learning Path Questions and Exercises - Multiple Choice Questions: 12

Answer

( c)

Work Step by Step

Initial velocity of the moped is 0 km/h while its final velocity is 20 km/h. So the change in velocity is 20 km/h. Initial velocity of the car is 80 km/h while its final velocity is 90 km/h. So the change in velocity is 10 km/h. Since the time elapsed for the moped is double the time elapsed for the car, the acceleration for both the vehicles is the same. Therefore, the answer is (c).
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