Solved: Energy reaches Earth from the Sun at a rate of
Chapter 31, Problem 63GP(choose chapter or problem)
Energy reaches Earth from the Sun at a rate of about \(1300 \mathrm{~W} / \mathrm{m}^{2}\). Calculate
(a) the total power output of the Sun, and
(b) the number of protons consumed per second in the reaction of Eq. 31–7, assuming that this is the source of all the Sun’s energy.
(c) Assuming that the Sun’s mass of \(2.0 X 10^{30} \mathrm{~kg}\) was originally all protons and that all could be involved in nuclear reactions in the Sun’s core, how long would you expect the Sun to “glow” at its present rate? See Problem 62. [Hint: Use law 1/r2 law.]
Equation Transcription:
Text Transcription:
1300 W/m^2
2.0 X 10^30kg
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