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Home Q & A Board Science-Related Homework Help Physics
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ppk ppk
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12 years ago
An astronaut drops a marble on the surface of Mars and observes that it takes  1.02 s for the marble to fall 2.00 m. She also knows that the radius of Mars is 3.39 × 106 m and that G = 6.67 x 10-11 N•m2/kg2. From this information, she can conclude that the mass of Mars is
A) 3.30 × 1023 kg.
B) 6.62 × 1023 kg.
C) 4.62 × 1023 kg.
D) 8.09 × 1023 kg.
E) 9.95 × 1023 kg.
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duddyduddy
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