A circular platform is mounted on a frictionless vertical axle. Its radius R = 2m and its moment of inertia about the axle is 200 kg m^(2). It is initially at rest. A 50 kg man stands on the edge at the platform and begins to walk along the edge at the speed of 1ms^(-1) relative to the ground. Time taken by the man to complete one revolution is :
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Answer:
r=2m
Explanation:
mass =200 kg and about 4or 5 second
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