Calculate the work required to raise a object from the Earth’s surface to a height of…

PHYSICS · Subjective · A Level · Physics · Fields and their consequences · Fields and their consequences

Problem

Calculate the work required to raise a

10\,\text{kg}

object from the Earth’s surface to a height of

400\,\text{km}

above the surface. Take

M_{\oplus}=6.0\times10^{24}\,\text{kg}

R_{\oplus}=6.4\times10^{6}\,\text{m}

and

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