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JEE Main Physics question

PhysicsSystems of Particles and Rotational MotionJEE Main

Two solid cylinders and of same mass and same radius start rolling down a fixed inclined plane from the same height at the same time. Cylinder has most of its mass concentrated near its surface, while has most of its mass concentrated near the axis. Which statement(s) is/are correct?

Answer: (D)

Solution

(mass near the axis) has the smaller , hence larger acceleration, larger final translational KE, and — since

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Question ID VK-159107