The moment of inertia of a rigid body is `1.5 kgxxm//s^(2)` and its initial angular velocity is zero. It start rotating with uniform angular acceleration `alpha=20rad//sec^(2))` to achieve a rotational `KE=1200J` find the time requried for this:A. 20 secB. 200 secC. 2 secD. 0.2 sec

The moment of inertia of a rigid body is `1.5 kgxxm//s^(2)` and its in

1.	The moment of inertia of a rigid body is `1.5 kgxxm//s^(2)` and its initial angular velocity is zero. It start rotating with uniform angular acceleration `alpha=20rad//sec^(2))` to achieve a rotational `KE=1200J` find the time requried for this:A. 20 secB. 200 secC. 2 secD. 0.2 sec
Answer» Correct Answer - C

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The moment of inertia of a rigid body is `1.5 kgxxm//s^(2)` and its initial angular velocity is zero. It start rotating with uniform angular acceleration `alpha=20rad//sec^(2))` to achieve a rotational `KE=1200J` find the time requried for this:A. 20 secB. 200 secC. 2 secD. 0.2 sec

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