At what rate is heat lost through a 1.5 m × 3.0 m rectangular glass windowpane that is 0.4 cm thick when the inside temperature is 22 °C and the outside temperature is 6.0 °C? The thermal conductivity for the glass is 0.75 W/(m · C°).
A)560 W
B)1800 W
C)7200 W
D)3600 W
E)13 500 W

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The Answer of At what rate is heat lost through a 1.5 m × 3.0 m rectangular glass windowpane that is 0.4 cm thick when the inside temperature is 22 °C and the outside temperature is 6.0 °C? The thermal conductivity for the glass is 0.75 W/(m · C°).
A)560 W
B)1800 W
C)7200 W
D)3600 W
E)13 500 W

At What Rate Is Heat Lost Through a 1