3 the bottom of a pan is made of a 4 mm thick aluminum layer in order
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3. The bottom of a pan is made of a 4-mm-thick aluminum layer. In order to increase the rate of heat transfer through the bottom of the pan, someone proposes
a design for the bottom that consists of a 3-mm-thick copper layer sandwiched between two 2-mm-thickaluminum layers. Assume perfect contact between the layers. Will the new design conduct heat better? Explain.(8 pts)