A wall in a house contains asingle window. The window consists of a single pane

Question

A wall in a house contains asingle window. The window consists of a single pane of glasswhose area is 0.16 m2 and whose thickness is 2.0mm. Treat the wall as a slab of the insulating materialStyrofoam whose area and thickness are 18 m2 and 0.10 m,respectively. Heat is lost via conduction through the walland the window. The temperature difference between the insideand outside is the same for the wall and the window. Of thetotal heat lost by the wall and the window, what is the percentagelost by the window?

Explanation / Answer

(.16m^2)(.2 )/.002m (.16m^2)( .2 )/.002m + (18)(.1) 16           =      16       =  89.89%   16 + 1.8         17.8 Hope this helps 16 + 1.8         17.8 Hope this helps

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