How much work would be required to move a satellite of massmfrom a circular orbi

Question

How much work would be required to move a satellite of massmfrom a circular orbit of radiusr_1=2r_Eabout the Earth to another circular orbit of radiusr_2=3r_E? (r_Eis the radius of the Earth.) Express your answer in terms of the variablemand constantsr_E,M_E andG. How much work would be required to move a satellite of massmfrom a circular orbit of radiusr_1=2r_Eabout the Earth to another circular orbit of radiusr_2=3r_E? (r_Eis the radius of the Earth.) Express your answer in terms of the variablemand constantsr_E,M_E andG.

Explanation / Answer

W =potential difference between 2 orbits =GMe/(2Re) - GMe/(3Re) =GMe/(6Re)

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