Fundamentals of Physics, Volume 1, Chapter 1-20
Fundamentals of Physics, Volume 1, Chapter 1-20
10th Edition
ISBN: 9781118233764
Author: David Halliday
Publisher: WILEY
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Chapter 44, Problem 39P
To determine

To:

(a) show that to prevent unlimited expansion of the universe, its average density must at least be equal to 3H28πG

(b) evaluate the ‘critical density’ numerically in terms of H-atoms per cubic meters.

.

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Why can't this be correct: &= 7m?
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