A turntable with a moment of inertia of5.4 * 10-3kg # m2 rotates freely with an angular speed of 3313 rpm.Riding on the rim of the turntable, 15 cm from the center, is a cute,32-g mouse. (a) If the mouse walks to the center of the turntable,will the turntable rotate faster, slower, or at the same rate? Explain.(b) Calculate the angular speed of the turntable when the mousereaches the center.

College Physics
10th Edition
ISBN:9781285737027
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter8: Rotational Equilibrium And Rotational Dynamics
Section8.7: Angular Momentum
Problem 8.5QQ: A horizontal disk with moment of inertia I1 rotates with angular speed 1 about a vertical...
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A turntable with a moment of inertia of
5.4 * 10-3
kg # m2 rotates freely with an angular speed of 331
3 rpm.
Riding on the rim of the turntable, 15 cm from the center, is a cute,
32-g mouse. (a) If the mouse walks to the center of the turntable,
will the turntable rotate faster, slower, or at the same rate? Explain.
(b) Calculate the angular speed of the turntable when the mouse
reaches the center.

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