A satellite has a mass of 106 kg and is located at 2.03 106 m above the surface of Earth.
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a) P= m g' (R + h) – m g R = m g R²/(R+h) – m g R, R is radius of earth= 6371000
= - m g R h/(R+h) = - 106 * 9.8 * 6371000 * 2.03*10^6/(6371000 + 2.03*10^6) = - 1599.207*10^6 J
b) g = GM/R²
g' = gR²/(R+h)²
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