Question

A glass windowpane in a home is 0.62 cm thick and has dimensions of 1.0 m 2.3 m. On a certain…

A glass windowpane in a home is 0.62 cm thick and has dimensions of 1.0 m 2.3 m. On a certain day, the indoor temperature is 20°C and the outdoor temperature is0°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)

i got 7419.35 W and 638034 J, but both are incorrect by 10%

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