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A solid sphere of mass 2 kg and radius 5...

A solid sphere of mass 2 kg and radius 5 cm is rotating at the rate of 300 rpm. The torque required to stop it in `2pi` revolutions is

A

`-2.5 xx 10^(4)"dyne cm"`

B

`-2.5 xx 10^(-4)"dyne cm"`

C

`-2.5 xx 10^(6)"dyne cm"`

D

`-2.5 xx 10^(5)"dyne cm"`

Text Solution

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The correct Answer is:
D
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