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JEE Main Physics question

PhysicsSystems of Particles and Rotational MotionJEE Main

There is a uniform circular disc of radius , and a concentric disc of radius (where ) is cut off from it. The distance of the new position of the centre of mass of the (remaining, hollow) disc from the centre of the original disc is

Answer: (C)

Solution

Since the cut-out disc is CONCENTRIC with the original (same centre), no asymmetry is introduced —

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Question ID VK-158694