Essential University Physics: Volume 1 (4th Edition)

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

Chapter 11 - For Thought and Discussion - Page 206: 5


The answer is below.

Work Step by Step

We know that angular momentum is conserved. Angular momentum depends on the radius and the angular velocity. Since the radius decreases as the tether ball winds up, we know that the angular speed must increase for angular momentum to be conserved.
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