For Earth, the escape speed at the surface is . At what height above Earth’s surface…

PHYSICS · Subjective · CBSE · Physics · Gravitation · Gravitation

Problem

For Earth, the escape speed at the surface is

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

. At what height above Earth’s surface would a circular satellite orbit with a speed of

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

? Use Earth’s radius

R_E = 6.37\times10^{6}\,\text{m}