For the bar elements shown in Figure P3-16, the global displacement have been determined to be u1 = 0.5 in., v1 = 0.0, u2 = 0.25 in., and v2 = 0.75 in. Determine the local x' displacements at each end of the bars. Let E = 12 × 106 psi, A = 0.5 in2, and L = 60 in. for each element?

Figure P3-16

(a)

(b)

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45° 30°