Question

.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 [1983-1 mark]
(a) 1/2mgR (b)2 mgR
(c) mgR (d)1/4 mgR

Answer 1

heya mate!!!

the correct answer is mgr

plzz refer to the attachment

hope it helps u mate