A one-story frame structure houses a chemical laboratory. Figure P5.20 shows the results of a model test to predict the transient force to which the structure would be subject if an explosion would occur. The equivalent mass of the structure is \(2000 \mathrm{~kg}\) and its equivalent stiffness is \(5 \times 10^{6} \mathrm{~N} / \mathrm{m}\). Approximate the maximum displacement of the structure due to this blast.

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F(N) 5000 FIGURE P5.20 .2 1.0 1.2 t(s)