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MHT CET Physics question

PhysicsSystems of Particles and Rotational MotionMHT CET

A solid cylinder of radius 'R' and mass 'M' rolls down an inclined plane of height 'h'. When it reaches the bottom of the plane, its rotational kinetic energy is (g = acceleration due to gravity) [MHT-CET 2021, MHT-CET 2021]

Answer: (C)

Solution

Rolling: Mgh=\frac12Mv^2+\frac14Mv^2=\frac34Mv^2; rotational KE

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Question ID VK-040924