Find the work per unit mass needed to move an object from a distance of to from…

PHYSICS · Subjective · CBSE · Physics · Gravitation · Gravitation

Problem

Find the work per unit mass needed to move an object from a distance of

8000\,\text{km}

12\,000\,\text{km}

from Earth’s centre. Use

M_E = 6.0\times10^{24}\,\text{kg}

and

G = 6.67\times10^{-11}\,\text{N m}^2\text{kg}^{-2}