Gravitation

Related Questions

• If V, R and g denote respectively the escape velocity from the surface of the earth radius of the earth, and acceleration due to gravity, then the correct equation is

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• An iron ball and a wooden ball of the same radius are released from a height ‘h’ in vacuum. The time taken by both of them to reach the ground is

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• The escape velocity for the earth is ${v_e}$. The escape velocity for a planet whose radius is four times and density is nine times that of the earth, is

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• The centripetal force acting on a satellite orbiting round the earth and the gravitational force of earth acting on the satellite both equal F. The net force on the satellite is

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• If the distance between two masses is doubled, the gravitational attraction between them

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