Physics

Physics

Problem

Calculate the orbital speed (in km s

^{-1}

) of a satellite at an altitude of

300\,\text{km}

above Earth’s surface. Take Earth’s mean radius

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

and

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

. a)

7.0

b)

7.7

c)

8.9

d)

10.9

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