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annyan annyan
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A year ago

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?



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320 days



▸

160 days



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20 days



▸

80 days

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College Physics

College Physics


Edition: 5th
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cglotfeltycglotfelty
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