5.91 (a) Find the roots of the frequency equation of the system shown in Fig. 5.5 with the follow- ing data: mı = m2 = 5

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5 91 A Find The Roots Of The Frequency Equation Of The System Shown In Fig 5 5 With The Follow Ing Data Mi M2 5 1 (69.74 KiB) Viewed 14 times

5.91 (a) Find the roots of the frequency equation of the system shown in Fig. 5.5 with the follow- ing data: mı = m2 = 50 kg, k, = k2 = 3500 N/m, kz = 0, c = c2 = c3 = 0. (b) If the initial conditions are x1(0) = x2(0) = 5 cm, ši(0) = = xix2(0) *2(0) = 0, determine the displace- 0 ments xi(t) and x2(t) of the masses. = == = = fit) -x2) 1200 WOW 0000 00000 m 4 m2 } (a) . ki*1 kz(x2-1) • Katz M M * (t2-1) -Ct2 Spring k, under tension Spring ką under tension Spring k3 under for+x1 for +(x2 - 1) compression for +*2 (b) FIGURE 5.5 A two-degree-of-freedom spring-mass-damper system.