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April 19, 2014

Homework Help: Physics

Posted by Jessica on Friday, October 8, 2010 at 7:50pm.

Consider 3 layers of a wall. The first layer is plaster 1.0 cm thick(R=0.033 SI units), the second layer is fiberglass insulation 8.9 cm thick (r=2.97), and the outside layer is woodd 3.0 cm thick(0.33). What is the heat loss through one square meter of wall if the inside temperature is 20 degress celcius and the outside is -10 degrees celcius

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