13.6.7. The differential equation of motion of the vertical oscillations of the body is x + 16x = 20sin (6t + 0,7). Determine the ratio of spring rate, to which the body is suspended, if the maximum value of the driving force F0 = 80 N.

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(Chapter 3 - Dynamics theme - 13.6: Forced oscillations) of Reshebnik to the collection of short tasks on the theoretical mechanics Kep OE, JA Viba, OP Grapis, JA Svetinysh et al. Publishing Moscow / Graduate School / 1989, 2009, 2012.
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