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MHT CET Physics question

PhysicsSystems of Particles and Rotational MotionMHT CET

Two identical particles each of mass 'm' are separated by a distance 'd'. The axis of rotation passes through the midpoint of 'd' and is perpendicular to the length d. If 'K' is the average rotational kinetic energy of the system, then the angular frequency is [MHT-CET 2019, MHT-CET 2019]

Answer: (C)

Solution

and , so

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Question ID VK-041039