Задача 50029.

Determine the energy emitted during the time t=1 min from the observation window with an area of 8 cm2 of the melting furnace, if its temperature is T=1.2 kK.

A detailed solution with a brief note of the conditions, formulas and laws used in the solution, the derivation of the calculation formula and the answer.
If you have any questions about the solution, write. I try to help.