Observational estimates of the density of the universe yield an average of about 2 10 28
Question:
Observational estimates of the density of the universe yield an average of about 2 × 10−28 kg/m3.
(a) If a 100-kg football player had his mass uniformly spread out in a sphere to match the estimate for the average mass density of the universe, what would be the radius of the sphere?
(b) Compare this radius with the earth-moon distance of 3.82 × 108 m.
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a The volume of a 100kg mass V M p 100 k...View the full answer
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