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A boy of mass 30kg is running with a vel...

A boy of mass 30kg is running with a velocity of `3 ms^(-1)` on ground just tangenti-ally to a merry - go -round which is at rest. It has radius R = 2m, a masss of 120 kg and its radius of gyration is lm. If the boy suddenly jumpes on to the merry -go - round, the angular velocity acquired by the system is

A

`1 rad s^(-1)`

B

`0.5 rad s^(-1)`

C

`3/4 rad s^(-1)`

D

`4/3 rad s^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
C
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