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 - Exercises - Page 101: 71


a). $55km/hr$ b). $-35km/hr$.

Work Step by Step

a). Velocity of the ball relative to the ground =$-15+70=55km/hr$ b). Velocity of the ball relative to the car = $55-90=-35km/hr$.
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