When a sphere of moment of inertia I about its centre of gravity and mass ' m ' rolls from rest down an inclined plane without slipping, its kinetic energy is :

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12Iω2

12mv2

Iω+mv

12mω2+12mv2

answer is D.

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Detailed Solution

Total KE - Rotational KE+ Traslational KE =12Iω2+12mv2

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