16. Angular Momentum
Conservation of Angular Momentum
12:46 minutes
Problem 11.76d
Textbook Question
Textbook QuestionA 70.0-kg person stands on a tiny rotating platform with arms outstretched.
One rotation takes 1.2 s when the person’s arms are outstretched. Ignore the moment of inertia of the lightweight platform.
(d) Determine the change in kinetic energy when the arms are lifted from the sides to the horizontal position.
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