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A circular platform is mounted on a fric...

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 a speed of `1 mS^-1` relative to the ground. Time taken by the man to complete one revolution is

A

`pi/2 S`

B

`pi S`

C

`(3pi)/2S`

D

`2pi S`

Text Solution

Verified by Experts

The correct Answer is:
D
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