## Physics for Scientists and Engineers: A Strategic Approach with Modern Physics (4th Edition)

Published by Pearson

# Chapter 4 - Kinematics in Two Dimensions - Exercises and Problems: 27

#### Answer

(a) $\omega = 4.7~rad/s$ (b) The period is 1.3 seconds.

#### Work Step by Step

(a) $\omega = (45~rpm)(\frac{2\pi~rad}{1~rev})(\frac{1~min}{60~s})$ $\omega = 4.7~rad/s$ (b) $P = \frac{2\pi~rad}{4.7~rad/s}$ $P = 1.3~s$ The period is 1.3 seconds.

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