Task 50080.

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Molten metal surface area of \u200b\u200b10 m ^ 2 emits one minute to 40 kJ. The surface temperature is 2500 K. Find: 1) What would be the radiation of the surface if it was black, 2) what is the attitude of the surface irradiance and blackbody at a given temperature.

Detailed solution shorthand terms, formulas, laws used in the decision, the withdrawal of the calculation formula and the response.

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