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A disc of mass m(0) rotates freely about...

A disc of mass `m_(0)` rotates freely about a fixed horizontal axis through its centre. A thin cotton pad is fixed to its rim, which can absorb water. The mass of water dripping onto the pad is n per second: After what time will the angular velocity of the disc get reduced to half of its initial value ?

A

`(2m_(0))/(mu)`

B

`(3m_(0))/(mu)`

C

`(m_(0))/(mu)`

D

`(m_(0))/(2mu)`

Text Solution

Verified by Experts

The correct Answer is:
D
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