Solving a problem in physics section 42 point 80 quantu

Solving a problem in physics section 42 point 80 quantu

80. Assuming that the heat loss caused by radiation only, determine how much power is necessary to supply to the copper balls with a diameter d = 2 cm to ambient temperature t0 = -13 ° C to maintain its temperature at t = 17 ° C. Take absorbance copper AT = 0,6.

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Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)