A weather satellite completes one revolution about Earth every

PHYSICS · Subjective · CBSE · Physics · Gravitation · Gravitation

Problem

90\,\text{min}

. Taking

GM_E = 3.986 \times 10^{14}\,\text{m}^3\text{s}^{-2}

and Earth’s radius

R_E = 6.37 \times 10^{6}\,\text{m}

, determine the altitude above Earth’s surface of its circular orbit.