(Solution Download) A steel bar 10.0 cm long is welded end-to-end to a copper bar 20.0 cm long. Each bar has a square...


A steel bar 10.0 cm long is welded end-to-end to a copper bar 20.0 cm long. Each bar has a square cross-section of 2.0 cm side. The free end of the steel bar is maintained at 100 ?C and the free end of the copper bar is maintained at 0 ?C. Find the temperature at the junction of the two bars and the total rate of heat flow. The thermal conductivities of steel and copper are 50.2 and 385.0 W/m.K respectively.

 







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