The gravitational potential energy of a body at a distance “r” from the centre of the earth is V. Its weight at a distance “2r” from the centre of the earth is _____ a) V/r b) V/4r c) V/2r d) 4V/r
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The gravitational potential energy of a body at a distance “r” from the centre of the earth is V. Its weight at a distance “2r” from the centre of the earth is _____
a) V/r
b) V/4r
c) V/2r
d) 4V/r
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