Gravitation

Related Questions

• If radius of earth is R then the height ‘h’ at which value of ‘g’ becomes one-fourth is

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• The mass of the earth is $6.00 imes {10^{24}}\,kg$ and that of the moon is $7.40 \times {10^{22}}\,kg$. The constant of gravitation $G = 6.67 \times {10^{ - 11}}\,N - {m^2}/k{g^2}$. The potential energy of the system is $ - 7.79 \times {10^{28}}\,joules$. The mean distance between the earth and moon is

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• The acceleration due to gravity is g at a point distant r from the centre of earth of radius R. If $r < R$, then

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• The gravitational force ${F_g}$ between two objects does not depend 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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