A body is projected vertically upward from the surface of Earth with a speed of

PHYSICS · Subjective · CBSE · Physics · Gravitation · Gravitation

Problem

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

. Given that Earth’s escape speed is

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

and Earth’s radius is

6.4\times10^{6}\,\text{m}

, determine the maximum height above the Earth’s surface that the body will reach. Neglect air resistance.