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MHT CET Physics question

PhysicsGravitationMHT CET

The mass of the moon is (1/81) th of earth's mass and its radius is (1/4) th that of the earth. If the escape velocity from the earth's surface is , its value for the moon will be

Answer: (C)

Solution

, so $=11.2=11.2×Missing argument for \frac\frac29≈2.5\

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Question ID VK-060208