A communication satellite moves round the Earth in a circular path of radius with a…

PHYSICS · Subjective · CBSE · Physics · Gravitation · Gravitation

Problem

A communication satellite moves round the Earth in a circular path of radius

4.23\times10^{7}\,\text{m}

with a speed of

3.07\,\text{km}\,\text{s}^{-1}

. Find the mass of the Earth from these data.