The spring-mass-damper system shown below has m1 = m2 = 3.4 kg and k = 97.7 N/m. In addition, a damping factor of 0.3 is given. The initial position and velocity of the system is x(t=0)=4.3 mm and x'(t=0)=0 m/s respectively. Frictionless pulley m2 Calculate the time required for the amplitude to reduce to 10% of the initial conditions.

Obtain X1(s)/F(s) and then determine the damping coefficient C of the mechanical system below. m2 =160.1 kg, k =953.7 N/m, k, =1,451.7 N/m, b, =148.0 N-s/m. X1(t) x2(t) k2 f2(t) m2 k, b2 massless plate Sonraki

The spring constant of the spring-mass-damper system is k = 5 kN/m, the damping constantcritical value ckr = 200 Ns/m and logarithmic decrement δ = 2. System initial conditionsare x0 = 0 m and v0 = 1 m/s. Determine the damping due to the initial conditionsthe maximum value xmax of the displacement of the characteristic vibration and its moment of occurrence tmax. Specifyresponse, i.e. in this case the values ​​of the variables needed by the station x(t).