A 54 m-long rod of constant diameter 46 mm is made of 20 m, Ask an Expert

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A 5.4 m-long rod of (constant diameter 4.6 mm) is made of 2.0 m of copper and the remainder of aluminum (see above). If the temperature of the left end of the rod is 95ºC and the the temperature of the right end of the rod is 45ºC,

a) What is the temperature at the interface between the copper and aluminum?

b) What is the heat flow rate through the composite rod?

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