Concept explainers
Size of the Sun if its density equals the critical density of the universe.
To compare: The obtained result with the Earth-Sun distance and the size of the Milky-way Galaxy.
Answer to Problem 49GP
The size of the Sun is
The new size of the Sun is
Explanation of Solution
Given:
The critical density of the Universe is
Formula used:
Density is calculated as
Calculation:
The density of the Sun is
The new size of the Sun will vary as
Conclusion:
Thus, the size of the Sun is
The new size of the Sun is
Chapter 33 Solutions
Physics: Principles with Applications
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