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Construct the stiffness matrix K and mass matrix M for the spring-mass system on the left hand side. 2. Find the angular frequencies and mode shapes (eigenvectors) of the system. And construct the orthonormal modal matrix Q. when ne te 3. By assuming X-QY, write down the independent dynamic equilibrium equations, which are second degree ordinary differential equations for yi, y, and ys, for the time dependent force P(t) = 0, P.(t)= 0 and P (t)=1. (Find M and P) and plot the graphs of xi(t), xz(t), xz(t).
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