Physics

Problem

A satellite revolves round Earth at an altitude of

700\,\text{km}

. Take

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

M_{\!E}=5.97\times10^{24}\,\text{kg}

and

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

. The orbital period of the satellite is closest to a)

150\,\text{min}

24\,\text{h}

94\,\text{min}

85\,\text{min}