Orbital Energy Transfer · CAP 2007 #11

Physics · mechanics

Problem

A spaceship of mass m circles a planet of mass M in a circular orbit of radius R. How much energy is required to transfer the spaceship to a circular orbit of radius 3R? (a) GmM/(2R); (b) GmM/(3R); (c) GmM/(4R); (d) GmM/(6R); (e) 3GmM/(4R)

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