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A flywheel revolves at 100 rev/min, a to...

A flywheel revolves at 100 rev/min, a torque is applied to the flywheel for 10 s if thetorque increases the speed to 200 rev/min, then the angular acceleration of the flywheel will be

A

`(pi)/6 rad//s^2`

B

`(pi)/5 rad//s^2`

C

`(pi)/4 rad//s^2`

D

`(pi)/3 rad//s^2`

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