20. Heat and Temperature
Heat Transfer
6:23 minutes
Problem 19.75
Textbook Question
Textbook Question(a) Estimate the total power radiated into space by the Sun, assuming it to be a perfect emitter at T = 5500 K. The Sun’s radius is 7.0 x 10⁸ m. (b) From this, determine the power per unit area arriving at the Earth, 1.5 x 10¹¹ m away (Fig. 19–37).
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