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MHT CET Physics question

PhysicsSystems of Particles and Rotational MotionMHT CET

Statement 1: A solid cylinder of mass m and radius r rolls down an inclined plane of height H. The rotational kinetic energy of the cylinder when it reaches the bottom of the plane is mgH/3 Statement 2: The total energy of the cylinder remains constant throughout its motion

Answer: (A)

Solution

For a solid cylinder rolling, rotational KE is of the total KE; since total energy is conserved (static friction does no work), total

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Question ID VK-040533