The moment of inertia of a body about a given axis is . To produce a rotational kinetic energy of , an angular acceleration of must be applied about that axis for sec is |

The moment of inertia of a body about a given axis is . To produce a rotational kinetic energy of , an angular acceleration of must be applied about that axis for sec is |

Two bodies with moment of inertia and (such that have equal angular velocity. If their kinetic energy of rotation are and then |
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a) |
b) |
c) |
d) |

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