Solution: A long rod, insulated to prevent heat loss along
Chapter 17, Problem 17.62(choose chapter or problem)
A long rod, insulated to prevent heat loss along its sides, is in perfect thermal contact with boiling water (at atmospheric pressure) at one end and with an icewater mixture at the other (Fig. E17.62). The rod consists of a 1.00-m section of copper (one end in boiling water) joined end to end to a length L2 of steel (one end in the icewater mixture). Both sections of the rod have crosssectional areas of 4.00 cm2 . The temperature of the coppersteel junction is 65.0C after a steady state has been set up. (a) How much heat per second flows from the boiling water to the ice water mixture? (b) What is the length L2 of the steel section?
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