Gravitation

Related Questions

• The masses and radii of the earth and moon are ${M_1},\,{R_1}$ and ${M_2},\,{R_2}$ respectively. Their centres are distance d apart. The minimum velocity with which a particle of mass m should be projected from a point midway between their centres so that it escapes to infinity is

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• How many times is escape velocity $({V_e})$, of orbital velocity $({V_0})$ for a satellite revolving near earth

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• The density of a newly discovered planet is twice that of earth. The acceleration due to gravity at the surface of the planet is equal to that at the surface of the earth. If the radius of the earth is R, the radius of the planet would be

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• A body weight 500 N on the surface of the earth. How much would it weigh half way below the surface of the earth

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• If the change in the value of ‘g’ at a height h above the surface of the earth is the same as at a depth x below it, then (both x and h being much smaller than the radius of the earth)

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