Multiple Choice
Two moons orbit a planet in nearly circular orbits. Moon A has orbital radius r, and moon B has orbital radius 4r. Moon A takes 20 days to complete one orbit. How long does it take moon B to complete one orbit?
A) 320 days
B) 160 days
C) 20 days
D) 80 days
Correct Answer:
Verified
Correct Answer:
Verified
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