## College Physics (7th Edition)

Published by Pearson

# Chapter 7 - Circular Motion and Gravitation - Learning Path Questions and Exercises - Multiple Choice Questions - Page 258: 11

#### Answer

(a) $s^{-2}$

#### Work Step by Step

Since angular acceleration is rate of change of angular speed, its unit is $rad/s^{2}$ i.e. $s^{-2}$

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