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A man of mass M=50 kg standing on the edge of a platform (moment of inertia of the platform is I and radius R=1 m) is rotating in anticlockwise direction at an angular speed of 20 rad/s. The man starts walking along the rim with a speed 1 m/s relative to the platform, also in the anticlockwise direction. The new angular speed of the platform in (rad/s) is (take (I=0.02 kg-m2)) |
Answer» A man of mass M=50 kg standing on the edge of a platform (moment of inertia of the platform is I and radius R=1 m) is rotating in anticlockwise direction at an angular speed of 20 rad/s. The man starts walking along the rim with a speed 1 m/s relative to the platform, also in the anticlockwise direction. The new angular speed of the platform in (rad/s) is ![]() |
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