Gravitation

Related Questions

• If R is the radius of the earth and g the acceleration due to gravity on the earth's surface, the mean density of the earth is

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• If the radius of a planet is R and its density is $\rho$, the escape velocity from its surface will be

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• Two planets have the same average density but their radii are ${R_1}$ and ${R_2}$. If acceleration due to gravity on these planets be ${g_1}$ and ${g_2}$ respectively, then

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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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• Energy required to move a body of mass m from an orbit of radius 2R to 3R is

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