Question
The approximate height from the surface of earth at which the weight of the body becomes ${1 \over 3}$ of its weight on the surface of earth is :
[Radius of earth R = 6400 km and $\sqrt 3 $ = 1.732]
The approximate height from the surface of earth at which the weight of the body becomes ${1 \over 3}$ of its weight on the surface of earth is :
[Radius of earth R = 6400 km and $\sqrt 3 $ = 1.732]