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Home Q & A Board Science-Related Homework Help Physics
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alexweebz alexweebz
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5 years ago
The earth's radius is 6380 km and its mass is 5.97 × 1024 kg. The gravitational constant is  (a) If Hubble's constant has the experimental value (although this can change due to future measurements), calculate the critical density of the universe needed to stop the expansion of the universe. (b) If the earth had this density, what would be its radius? Express your answer in meters and as a multiple of its present radius.
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College Physics

College Physics


Edition: 10th
Authors:
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AZNSLOWPOKEAZNSLOWPOKE
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5 years ago
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alexweebz Author
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5 years ago
Thank you, thank you, thank you!
zbmallo3
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Yesterday
Thanks for your help!!
njn;l
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2 hours ago
Helped a lot
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