Calculate the value of acceleration due to gravity at an altitude of above Earth’s surface

PHYSICS · Subjective · CBSE · Physics · Gravitation · Gravitation

Problem

Calculate the value of acceleration due to gravity at an altitude of

400\,\text{km}

above Earth’s surface. Take

g = 9.8\,\text{m s}^{-2}

and Earth’s radius

R_{\rm E} = 6400\,\text{km}