Class 11 Science Physics Gravitation



If g is the acceleration due to gravity on the earth's surface, the gain in the potential energy of an object of mass m raised from the surface of the earth to a height equal to the radius R of the earth, is
(a)
(b)
2mg R (c )
(c)
mg R
(d)
Correct answer: (a) 

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sound
gravitation
heat
force and laws of motio
gravitation and floatatio