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How do you calculate the time required to change the temperature of a room by 10C...

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Physics

How do you calculate the time required to change the temperatureof a room by 10C by radiation? Given: Emissivity: 0.91 A: 2.0 T2:292.5K T1:282.4K

I just need to know what formula to use in order to calculatethe time.

Answer & Explanation Solved by verified expert
3.7 Ratings (432 Votes)
According to Stefan Boltzmann law the total power radiatedby a black body across all wavelengths is directly proportional tothe fourth power of the black    See Answer
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