Physics

Problem

The weight of a body at the surface of earth is

18\,\text{N}

. The weight of the body at an altitude of

3200\,\text{km}

above the earth's surface is (given, radius of earth

R_e = 6400\,\text{km}

): (1)

9.8\,\text{N}

(2)

4.9\,\text{N}

(3)

19.6\,\text{N}

(4)

8\,\text{N}