8. Centripetal Forces & Gravitation
Kepler's Third Law
Multiple Choice
Multiple ChoiceIo and Ganymede are two of Jupiter's four Galilean moons. Io orbits at an average distance of 422,000km in 1.77 days. What is Ganymede's average orbital distance (in km), if it takes 4 times longer to orbit Jupiter?
A
670,000
B
1,063,000 km
C
167,000
D
844,000
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