Science, asked by pratimasingh34717, 7 months ago

boy of mass m stands at the edge of a uniform disc of mass M and radius R rotating at angular frequency ω about an axis passing through its center and perpendicular to its plane. The boy walks towards the center of the disc and stops when he is at a distance r from the centre of the disc. If friction is neglected and r = R/2 and M = 10 m, the angular frequency will be

8ω7

5ω3

9ω5

2ω

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Answered by Anonymous

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