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NEET 2003 Physics question

PhysicsSystems of Particles and Rotational MotionNEET 2003

A ball rolls without slipping. The radius of gyration of the ball about an axis passing through its centre of mass is . If radius of the ball be , then the fraction of total energy associated with its rotational energy will be :

Answer: (3)

Solution

With and : Translational KE , rotational KE . Total KE \frac{1}{2}$ +

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Question ID VK-089144