H2P-532

Circular orbits

H2 Physics · JC 2 · Hard · Circular orbits

A satellite of mass

500\,\text{kg}

moves in a circular orbit of radius

8.0\times10^{6}\,\text{m}

around Earth. Take

GM_{\text{Earth}} = 4.0\times10^{14}\,\text{m}^3\text{s}^{-2}

. Using the expression for kinetic energy of a satellite in circular orbit,

E_K = GMm/(2R)

, calculate the kinetic energy of the satellite.

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