Лаг1989 задача №7.28

A particle makes straight damped oscillations with a period of 4,5c. The initial amplitude of 0.16 m, and the amplitude after 20 complete oscillations 0,01m. To determine the attenuation coefficient β and λ logarithmic decrement of damping. Write the equation, the initial phase of the oscillations of the particle, taking the oscillation α = 0.

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