Gravitation

Related Questions

• The value of ‘g’ at a particular point is $9.8\,m/{s^2}$. Suppose the earth suddenly shrinks uniformly to half its present size without losing any mass. The value of ‘g’ at the same point (assuming that the distance of the point from the centre of earth does not shrink) will now be

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• If g is the acceleration due to gravity at the earth's surface and r is the radius of the earth, the escape velocity for the body to escape out of earth's gravitational field is

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• An object weights 72 N on earth. Its weight at a height of R/2 from earth is

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• Two particles of equal mass go round a circle of radius R under the action of their mutual gravitational attraction. The speed of each particle is

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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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