Question

The difference in PE of an object of mass 10kg
when it is taken from a height of 6400km to
12800 km from the surface of the earth is
(M,=6x10^24 kg)
1)1.045x10^8 2) 1.565x10^8
3) 2.65x10^8 )
4) 4.5x10^8 J
plzzz after a lot of try I post this question hELP ME WITH CLEAR SOLUTION​

Answer 1

Answer:

And by substituting u would get option 1.

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