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A wheel having moment of inertia 2 kg m^...

A wheel having moment of inertia `2 kg m^(2)` about its vertical axis, rotates at the rate of `60rpm` about this axis. The torque which can stop the wheel's rotation in one minute would be

A

`(pi)/(12)`N-m

B

`(pi)/(15)`N-m

C

`(pi)/(18)`N-m

D

`(2pi)/(15)`N-m

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