Find the displacement of node 3 and the stresses in the two members of the truss shown in Fig. 12.25. Assume that the Young's modulus and the cross-sectional areas of the two members are the same with \(E=200 \mathrm{GPa}\) and \(A=0.5 \times 10^{-3} \mathrm{~m}^{2}\).

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0.2 m NY 3 0.5 m FIGURE 12.25 Two bar truss. 5 N