Gravitation

Related Questions

• A body of mass m is placed on the earth’s surface. It is taken from the earth’s surface to a height $h = 3R$. The change in gravitational potential energy of the body is

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• Acceleration due to gravity is ‘g’ on the surface of the earth. The value of acceleration due to gravity at a height of 32 km above earth’s surface is (Radius of the earth = 6400 km)

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• The change in potential energy, when a body of mass m is raised to a height nR from the earth's surface is (R = Radius of earth)

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• 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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• The escape velocity on earth is 11.2 km/s. On another planet having twice radius and 8 times mass of the earth, the escape velocity will be

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