An iron plate 2 cm thick has a cross-sectional area of 5000 cm 2 . One face
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An iron plate 2 cm thick has a cross-sectional area of 5000 cm2. One face is at 150 °C, and the other is at 140 °C. How much heat passes through the plate each second? For iron, kT = 80 W/m·K.
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