A glass windowpane in a home is 062 cm thick and has, Ask an Expert

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A glass windowpane in a home is 0.62 cm thick and has dimensions of 1.08 m × 1.86 m. On a certain day, the indoor temperature is 27°C and the outdoor temperature is 0°C. (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? =______ W

(b) How much energy is lost through the window in one day, assuming the temperatures inside and outside remain constant? =_______ J

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