Лаг1989 задача №7.31

Determine the amplitude A of forced oscillations of a mass of 0.1 kg in the spring with a spring constant of 10 N / m, if the load is acting vertically forced harmonic force amplitude and frequency of 1.5N, twice own cargo frequencies on the spring. The attenuation coefficient of 0.4 s⁻ˡ.

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