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MHT CET Physics question

PhysicsGravitationMHT CET

What should be the velocity of earth due to rotation about its own axis so that the weight becomes half of the initial value? (R = Radius of earth, g = acceleration due to gravity, ) [MHT-CET 2022]

Answer: (A)

Solution

At the equator gives (the angular velocity

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Question ID VK-060345