Energy reaches Earth from the Sun at a rate of about
Chapter 31, Problem 63(choose chapter or problem)
Energy reaches Earth from the Sun at a rate of about Calculate (a) the total power output of the Sun, and (b) the number of protons consumed per second in the reaction of Eq. 317, assuming that this is the source of all the Suns energy. (c) Assuming that the Suns mass of was originally all protons and that all could be involved in nuclear reactions in the Suns core, how long would you expect the Sun to glow at its present rate? See 62. [Hint: Use law.]
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