20. Heat and Temperature
Heat Transfer
7:01 minutes
Problem 19.101a
Textbook Question
Textbook QuestionA leaf of area 40cm² and mass 4.5 x 10⁻⁴ kg directly faces the Sun on a clear day. The leaf has an emissivity of 0.85 and a specific heat of 0.80 kcal/kg · K .
(a) Estimate the energy absorbed per second by the leaf from the Sun, and then
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