College Physics
College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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Concept explainers

Angular speed, acceleration and displacement
Angular acceleration is defined as the rate of change in angular velocity with respect to time. It has both magnitude and direction. So, it is a vector quantity.
Angular Position
Before diving into angular position, one should understand the basics of position and its importance along with usage in day-to-day life. When one talks of position, it’s always relative with respect to some other object. For example, position of earth w…
Question

A rotating wheel requires 13.0 s to rotate 41.0 revolutions. Its angular velocity at the end of the 13.0-s interval is 91.0 rad/s. What is the constant angular acceleration (in rad/s) of the wheel?

 

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