A composite wall is shown in Figure P13-8. For element 1, let Kxx = 5 W (m-oC), for element 2 let Kxx = 10 W (m-oC), for element 3 let Kxx = 15 W (m-oC). The left end has a heat source of 600 W applied to it. The right end is held at 10oC. Determine the left end temperature and the interface temperatures and the heat flux through element 3.

Figure P13-8

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A =0.1 m2 600 W. O 2. (2) 3 (3 4 T = 10°C 0.I m