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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=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 of the platform and begins to walk along the edge at the speed of 1 `ms^(-1)` relative to the ground. Time taken by the man to complete one revolution is :

A

`pi s`

B

`(3pi)/(2)s`

C

`2pi s`

D

`(pi)/(2)s`

Text Solution

Verified by Experts

The correct Answer is:
C
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