일반물리학 1 · Temperature, Heat, and the First Law of Thermodynamics · Problem 29
일반물리학 1 — Temperature, Heat, and the First Law of Thermodynamics: Problem 29
29 A sphere of radius 0.350 m, temperature 27.0°C, and emissivity 0.850 is located in an environment of temperature 77.0°C. At what rate does the sphere (a) emit and (b) absorb thermal radiation? (c) What is the sphere’s net change in energy in 3.50 min?
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