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[Solved]: Planets A and B move in circular orbits at differe
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(Solved): Planets A and B move in circular orbits at different distances from a star of mass M. Planet A has m ...


Planets A and B move in circular orbits at different distances from a star of mass M. Planet A has mass m_(0) and orbital radius r_(0). The gravitational potential energy of the Planet A-star system is U_(A). Planet B has mass 4m_(0) and orbital radius 2r_(0). The gravitational potential energy of the Planet B -star system is U_(B) What is the ratio U_(A):U_(B) ?


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