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MHT CET Physics question

PhysicsSystems of Particles and Rotational MotionMHT CET

A wheel having a rotational inertia of rotates at 240 r.p.m. about a vertical axis. The angular speed of the wheel, when a torque of Nm is applied about the same axis for 2.0 s is

Answer: (C)

Solution

rad/s and , so

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Question ID VK-040483