21.1.1. Small oscillations of a mechanical system described by the differential equation q + (4π) 2q = 0, where q - the generalized coordinate, m Starting offset system q0 = 0.02 m, the initial velocity q0 = 2 m / s.. Determine the amplitude of oscillation.

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(DYNAMICS, Chapter 21 - Lagrange equation of the second kind, paragraph - 21.1: The vibrations of systems with one degree of freedom) 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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