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April 21, 2014

Homework Help: physics

Posted by kevin on Friday, April 6, 2012 at 5:47am.

A glass windowpane in a home is 0.62 cm thick and has dimensions of 1.30 m 1.72 m. On a certain day, the indoor temperature is 26C and the outdoor temperature is 0C. (Assume the thermal conductivity of the glass is 0.8 J/s m C.)
(a) What is the rate at which energy is transferred by heat through the glass?
(b) How much energy is lost through the window in one day, assuming the temperatures inside and outside remain constant?

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