Gravitation

Related Questions

• If acceleration due to gravity on the surface of a planet is two times that on surface of earth and its radius is double that of earth. Then escape velocity from the surface of that planet in comparison to earth will be

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• The escape velocity of a body on the surface of the earth is 11.2 km/s. If the earth's mass increases to twice its present value and the radius of the earth becomes half, the escape velocity would become

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• The escape velocity for the earth is ${v_e}$. The escape velocity for a planet whose radius is four times and density is nine times that of the earth, is

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• If the density of the earth is doubled keeping its radius constant then acceleration due to gravity will be $(g = 9.8\,m/{s^2})$

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• Weight of a body is maximum at

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