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Answer to Question #35761 in Mechanics | Relativity for preet

Question #35761
A circular platform is mounted on a frictionless vertical axle. Its radius R=2 m 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 of the platform and begins to walk along the edge at the speed of 1 m/s relative to the ground. Time taken by the man to complete one revolution is
1) π s
2) 3π/2 s
3) 2π s
4) π/2 s
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