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: 20

Answer

a). For second hand, angular speed $=\frac{2pi}{60}=0.105rad/s$ b). For minute hand, angular speed $=\frac{2pi}{60\times60}=0.0017rad/s$ c). For hour hand, angular speed $=\frac{2pi}{60\times60\times12}=0.000145rad/s$

Work Step by Step

a). For second hand, angular speed $=\frac{2pi}{60}=0.105rad/s$ b). For minute hand, angular speed $=\frac{2pi}{60\times60}=0.0017rad/s$ c). For hour hand, angular speed $=\frac{2pi}{60\times60\times12}=0.000145rad/s$
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