In another solar system, a planet has an airless moon Zygo that is 4.0 × 105 m in diameter
Experiments reveal that a freely falling object at the surface of Zygo accelerates at 0.20 m/s2. What is the mass of Zygo? (G = 6.67 × 10-11 N ? m2/kg2)
A) 2.4 × 1019 kg
B) 4.8 × 1019 kg
C) 1.2 × 1020 kg
D) 2.4 × 1020 kg
E) 4.8 × 1020 kg
C
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