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MHT CET Physics question

PhysicsSystems of Particles and Rotational MotionMHT CET

A rotating system experiences a change in angular speed from 3 rad/sec to 5 rad/sec the rotational change in kinetic energy of system is 1500 J. What change in angular momentum will be their in doing so?

Answer: (C)

Solution

gives , so $Δ

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Question ID VK-040367