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Q. |
If a gymnast sitting on a rotating stool, with his arms outstretched suddenly lowers his arm |
A. | the angular velocity will remain constant |
B. | the angular momentum will increase |
C. | the angular velocity will decrease |
D. | his moment of inertia will decrease |
E. | 107 dynes |
Answer» D. his moment of inertia will decrease |
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