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December 20, 2014

December 20, 2014

Posted by **jean** on Thursday, April 26, 2007 at 12:13am.

so I know that the formula to find the RATE OF RADIATION= the constant (5.6696 x 10^-8 W/m^2*K^4)*A*e*(T^4)

but it doesn't seem to help me much for this problem

Just set the 1000 W/m^2 equal to the radiated energy given by the Stefan-Botlzmann equation. Then solve for T. I don't know what the "e" is doing in your equation

sigma *Area * T^4 = 1000 W

sinma = (5.6696 x 10^-8 W/m^2*K^4)

the thing is, there's no area given, and i'm not sure how to find it

The area is one square meter. The "sigma" constant gives energy radiated per squate meter, and the the 1000 "solar constant" number is also per square meter

- physics -
**BECKY**, Saturday, October 15, 2011 at 1:58am1000 = (5.67*10^8)(1m^2)(T^4)

Then solve for T :)

- physics -
**BECKY**, Saturday, October 15, 2011 at 2:00amOH! Then subtract 273 from answer to change it to celcius.

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