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