College Physics (7th Edition)

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

Chapter 7 - Circular Motion and Gravitation - Learning Path Questions and Exercises - Exercises - Page 261: 24

Answer

a). $0.84rad/s$ b). $3.36m/s, 4.2m/s$

Work Step by Step

a). average angular speed =$\frac{24\times2pi}{180}rad/s=0.84rad/s$ b). Tangential speed of a person 4 m from center =$0.84\times4=3.36m/s$ Tangential speed of a person 5 m from center =$0.84\times5=4.2m/s$
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