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OpenStudy (jt950):
A satellite of mass 100kg revolves round the earth in a circular orbit of radius 2R where R is the radius of the earth.Determine the energy needed to move the satellite to a new orbit of radius 3R. (Mass of earth=6.0x10^24kg;R=6.4x10^6m)
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OpenStudy (fifciol):
\[E=\Delta E_p=-\frac{ GMm }{ 3R}+\frac{ GMm }{ 2R}\]
OpenStudy (jt950):
This is the answer E=ΔEp=−GMm/(2)3R+GMm/(2)2R can you explain?
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