Gravitation

Related Questions

• The gravitational force between two stones of mass 1 kg each separated by a distance of 1 metre in vacuum is

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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 of a planet having mass 6 times and radius 2 times as that of earth is

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• The escape velocity for the earth is 11.2 km/sec. The mass of another planet is 100 times that of the earth and its radius is 4 times that of the earth. The escape velocity for this planet will be

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• A body of mass m rises to height h = R/5 from the earth's surface, where R is earth's radius. If g is acceleration due to gravity at earth's surface, the increase in potential energy is

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