Question

XD90
43. The work done to lift a body of mass 'm' from
the surface of the earth to a height equal to
the radius of the earth(R) is
-GMm
GMm
a)
b
)
R
R
GMm
GMm
d)
4R
c
)
2R​

Answer 1

Answer:

Work done = change in potential engery

=GMm/2R

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Explanation: