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A wheel of moment of inertia 2 xx 10^3 k...

A wheel of moment of inertia `2 xx 10^3 kg m^2` is rotating at uniform angular speed of 4 rad/s,.then . the torque required to stop it in one second is,

A

`8 xx 10^2 Nm`

B

`8 xx 10^4 Nm`

C

`8 xx 10^3 Nm`

D

`8 xx 10 ^5 Nm`

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