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MHT CET Physics question

PhysicsSystems of Particles and Rotational MotionMHT CET

A ball of radius 10 cm and mass 8 kg rolls down a ramp of length 3.5 m from rest. The ramp is inclined at 30° to the horizontal. When the ball reaches the bottom, its velocity is [Take g = 10 m/s]

Answer: (D)

Solution

For a solid sphere rolling without slipping m/s, so $

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Question ID VK-040516