Multiple Choice
Two moons orbit a planet in 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 an orbit?
A) 20 days
B) 80 days
C) 160 days
D) 320 days
E) 5 days
Correct Answer:
Verified
Correct Answer:
Verified
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