College Physics (7th Edition)

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

Chapter 3 - Motion in Two Dimensions - Learning Path Questions and Exercises - Multiple Choice Questions - Page 95: 13

Answer

(d) greater than 100 km/h

Work Step by Step

The relative speed of car B to the driver of car A is given by the sum of the individual speeds of the two cars, which are 80 km/h and 60 km/h, respectively. Thus, the answer is (d) greater than 100 km/h.
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