A heat conducting rod, 0.90 m long, is made of an aluminum section that is 0.10 m long, and a copper section that is 0.80 m long. Both sections have cross- sectional areas of 0.00040 m2 .The aluminum end is maintained at a temperature of 40° C and the copper end is at 150° C. The thermal conductivity of aluminum is 205 W/m · K and of copper is 385 W/m · K. Steady state has been reached, and no heat is lost through the well-insulated sides of the rod. The temperature of the aluminum-copper junction in the rod is closest to

A heat conducting rod, 0.90 m long, is made of an aluminum section that is 0.10 m long, and a copper section that is 0.80 m long. Both sections have cross- sectional areas of 0.00040 m2 .The aluminum end is maintained at a temperature of 40° C and the copper end is at 150° C. The thermal conductivity of aluminum is 205 W/m · K and of copper is 385 W/m · K. Steady state has been reached, and no heat is lost through the well-insulated sides of the rod. The temperature of the aluminum-copper junction in the rod is closest to

College Physics

10th Edition

ISBN:9781285737027

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter11: Energy In Thermal Processes

Section: Chapter Questions

Problem 40P: The thermal conductivities of human tissues vary greatly. Fat and skin have conductivities of about...

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