Multiple Choice
An astronaut drops a marble on the surface of the airless Planet Z-49 and observes that it takes 1.02 s for the marble to fall 2.00 m starting from rest.She also knows that the radius of Z-49 is 3.39 × 106 m.From this information,what will she determine for the mass of Z-49? (G = 6.67 × 10-11 N ∙ m2/kg2)
A) 3.30 × kg.
B) 6.62 × kg.
C) 4.62 × kg.
D) 8.09 × kg.
E) 9.95 × kg.
Correct Answer:

Verified
Correct Answer:
Verified
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