Gravitation

Related Questions

• The weight of an object in the coal mine, sea level, at the top of the mountain are ${W_1},\;{W_2}$ and ${W_3}$ respectively, then

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• $v_e$ and ${v_p}$ denotes the escape velocity from the earth and another planet having twice the radius and the same mean density as the earth. Then

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• The escape velocity from the surface of earth is ${V_e}$. The escape velocity from the surface of a planet whose mass and radius are 3 times those of the earth will be

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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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• Weight of 1 kg becomes 1/6 on moon. If radius of moon is $1.768 imes {10^6}\,m$, then the mass of moon will be

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