MHT CET 2026 Physics question
A body slides down a smooth inclined plane of inclination and reaches the bottom with velocity 'V'. If the same body is a ring which rolls down the same inclined plane then linear velocity at the bottom of the plane is
Answer: (A)
Solution
For the body sliding down a smooth incline of height , energy conservation gives , so . For a ring rolling without slipping, and , so mgh=\tfrac12mv^2+\tfrac12I\omega^2=\tfrac12mv^2+\tfrac12mv^2=mv^2, hence
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