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A circular disc rotates at n rpm. The angular velocity of a circular ring of same mass and radius as the disc and to have the same angular momentum is___________________?
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A circular disc rotates at n rpm. The angular velocity of a circular ring of same mass and radius as the disc and to have the same angular momentum is___________________?
A. n rpm
B. n/2 rpm
C. n/4 rpm
D. 2n rpm
Correct Answer:
n/2 rpm
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Last Updated:
January 18, 2019