Two moons X and Y revolve around Jupiter in nearly circular orbits
PHYSICS · Multi-part · A Level · Physics · Fields and their consequences · Fields and their consequences
Problem
Two moons X and Y revolve around Jupiter in nearly circular orbits. For moon X the orbital radius is 5.0×105km and the orbital period is 2.0days.
(a) Moon Y completes one revolution in 8.0days. Determine the orbital radius of moon Y.
(b) By what percentage is the orbital radius of moon Y larger than that of moon X? (Give your answer correct to two significant figures.)