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MHT CET Physics question

PhysicsSystems of Particles and Rotational MotionMHT CET

A solid sphere of mass 2 kg and radius 5 cm is rotating at the rate of 300 r.p.m. The torque required to stop it with rad/s in 2 s is

Answer: (D)

Solution

; with the speed reduced from rad/s to rad/s in 2 s, rad/s

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Question ID VK-040478