Gravitation

Related Questions

• The gravitational field due to a mass distribution is $E = K/{x^3}$ in the x-direction. (K is a constant). Taking the gravitational potential to be zero at infinity, its value at a distance x is

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• If acceleration due to gravity on the surface of a planet is two times that on surface of earth and its radius is double that of earth. Then escape velocity from the surface of that planet in comparison to earth will be

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• Two identical solid copper spheres of radius R placed in contact with each other. The gravitational attracton between them is proportional to

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• If mass of a body is M on the earth surface, then the mass of the same body on the moon surface is

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• A particle of mass 10 g is kept on the surface of a uniform sphere of mass 100 kg and radius 10 cm. Find the work to be done against the gravitational force between them to take the particle far away from the sphere (you may take $G = 6.67 \times {10^{ - 11}}N{m^2}/k{g^2})$

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