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MHT CET Physics question

PhysicsGravitationMHT CET

Calculate angular velocity of earth so that acceleration due to gravity at latitude becomes zero. (Radius of earth = 6400 km, gravitational acceleration at poles = , ) [MH-CET 2014]

Answer: (D)

Solution

gives \sqrt{\frac{10}{6.4×10^{6}×0.25}}\tim$

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Question ID VK-060084