Question

if mass of a planet is M, radius is x, then the work to be done to slowly take a 2kg ma from surface to a height 4x is

8GM/5x
2GM/x
5GM/x
4GM/3x​

Answer 1

Explanation:

if mass of a planet is M, radius is x, then the work to be done to slowly take a 2kg ma from surface to a height 4x is

8GM/5x

2GM/x

5GM/x

4GM/3x