Essential University Physics: Volume 1 (4th Edition)

Published by Pearson
ISBN 10: 0-134-98855-8
ISBN 13: 978-0-13498-855-9

Chapter 10 - Section 10.1 - Angular Velocity and Acceleration - Got It? - Page 178: 10.1



Work Step by Step

Since tangential acceleration is equal to $\alpha r$, we know that a constant angular acceleration means that there is a constant tangential acceleration. The only tangential acceleration that is constant is c). In addition, because radial acceleration equals $\frac{v^2}{r}$, when the velocity increases at a tangential rate, $a_r$ increases at an exponential rate.
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