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MHT CET Physics question

PhysicsSystems of Particles and Rotational MotionMHT CET

Two particles of masses and are a distance apart and constitute a system. If is the frequency of revolution about the axis passing through the centre of mass and perpendicular to the line joining the masses, the rotational (K.E.) of the system is

Answer: (B)

Solution

The moment of inertia about the centre of mass is and , so \frac{1}{2}$Iω^2 =

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Question ID VK-040641