A body of mass m is placed on the surface of earth. Find work required to lift this body by a height
(i). `h=(R_(e))/(1000)`
(ii). `h=R_(e)`

Explanation

To solve the problem of finding the work required to lift a body of mass \( m \) by a height \( h \) above the surface of the Earth, we will consider two cases based on the given heights.

### Given:
- Mass of the body: \( m \)
- Radius of the Earth: \( R_e \)
- Gravitational constant: \( g = \frac{G M_e}{R_e^2} \) (where \( M_e \) is the mass of the Earth)

### Part (i): \( h = \frac{R_e}{1000} \)
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