Physics, 17.12.2021 23:20, faithbar0911p5p68a

The coffee in a coffee cup has a temperature of 70 deg C. The environmental temperature is 20 deg C. What is the temperature of the coffee at the time when the rate of radiative heat flow emanating from the coffee has halved.

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The coffee in a coffee cup has a temperature of 70 deg C. The environmental temperature is 20 deg C....