Cosmic Perspect: Stars...-With 2 Access
Cosmic Perspect: Stars...-With 2 Access
7th Edition
ISBN: 9780321928177
Author: Bennett
Publisher: PEARSON
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Chapter 23, Problem 56EAP
To determine

(b)

Suppose the process decay with half-life is 1032 years. When will the number of remaining protons be half its current amount? When will be quarter of its current amount? How many half-lives will have gone by when the universe reaches an age of 1034 years? What fraction of original protons will remain at this time is it reasonable to conclude that all protons in today’s universe will be gone by the time the universe is 1040 years old. Explain.

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Cosmic Perspect: Stars...-With 2 Access

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