In another solar system, a planet has a moon that is 4.0 × 105 m in diameter. Measurements reveal that this moon takes 3.0 x 105 s to make each orbit of diameter 1.8 × 108 m. What is the mass of the planet? (G = 6.67 × 10-11 N ? m2/kg2 )

A) 3.4 × 1024 kg B) 4.8 × 1024 kg C) 1.2 × 1024 kg D) 1.7 × 1024 kg E) 2.4 × 1024 kg


B

Physics & Space Science

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