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A satellite of the earth is revolving in a circular orbit with uniform speed If the gravitational force suddenly disappears, the satellite will ________
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Important Questions on Gravitation
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At a distance above the surface of the earth. the value of acceleration due to gravity will be lower than its value on the surface of the earth by nearly________ (earths radius )
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A body weighs wt on the surface of the earth. Its weight on the surface of a planet whose mass is th of that of the earth and radius is half that of the earth, is
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A planet is revolving round the sun of mass in an elliptical orbit with semi-major axis . The speed of the planet when it is at a distance from the sun is, ( - Universal gravitational constant)
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Two objects of masses and are placed apart. The gravitational potential at the point of zero gravitational field, created by these objects is________
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If the moon is to escape from the gravitational field of the earth forever, it will require a velocity ___ .
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Identify the correct expression between radius density and the escape velocity from the surface of a planet.
