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harunotochi harunotochi
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10 years ago
Ceres, the largest asteroid, has a radius of 0.073 Earth radii and a mass of 0.0002 Earth masses. What is (a)
its density compared with the Earth’s mean density, and (b) the weight of an 80-kg astronaut standing on Ceres?
Source  Chaisson and Mcmillan
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wrote...
10 years ago
Have you tried using the formula:

F=mg
F = weight in N * m = mass in kg * g = gravitational acceleration in m/s2.
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