Gravitation

Related Questions

• Escape velocity on the earth

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• The gravitational potential energy of a body of mass ‘m’ at the earth’s surface $ - mg{R_e}$. Its gravitational potential energy at a height ${R_e}$ from the earth’s surface will be (Here ${R_e}$ is the radius of the earth)

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• A body of mass m is taken to the bottom of a deep mine. Then

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• The correct answer to above question is based on

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• Acceleration due to gravity on moon is 1/6 of the acceleration due to gravity on earth. If the ratio of densities of earth $({\rho _e})$ and moon $({\rho _m})$ is $\left( {\frac{{{\rho _e}}}{{{\rho _m}}}} \right) = \frac{5}{3}$ then radius of moon Rm in terms of Re will be

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