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As shown in the figure, a bob of mass m ...

As shown in the figure, a bob of mass m is tied by a massless string whose other end is wound on a fly wheel Ring of radius r and mass m. When released from rest the bob starts falling vertically. When it has covered a distance of h, the speed of the bob will be :

A

`1/rsqrt((4gh)/3)`

B

`rsqrt(3/(2gh))`

C

`1/rsqrt((2gh)/3)`

D

`rsqrt(3/(4gh))`

Text Solution

Verified by Experts

The correct Answer is:
A
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