Лаг1989 задача №7.27

The body of mass M = 360 g is suspended from the spring with a stiffness coefficient K = 16 N / m and performs vertical oscillations in a certain environment. The logarithmic damping decrement is λ = 0.01. How many oscillations should the body make in order for the displacement amplitude to decrease by a factor of e? How long will this decrease in amplitude occur?

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