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A flywheel of moment of inertia 3 xx 10^...

A flywheel of moment of inertia `3 xx 10^(2) kg m^(2)` is rotating with uniform angular speed of `4.6 rad s^(-1)`. If a torque of `6.9 xx 10^(2)Nm` retards the wheel, then the time in which the wheel comes to rest is

A

1.5 s

B

2s

C

0.5 s

D

1s

Text Solution

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The correct Answer is:
B
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