Solution 13.5.21 collection of Kep OE 1989

Solution 13.5.21 collection of Kep OE 1989

13.5.21. The oscillatory motion of a material point given by the equation x = 0,7e-0,4tsin (1,5t +0,6). Determine the period of free oscillations in the point when the drag forces are absent.

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(Chapter 3 - Dynamics theme - 13.1: Free damped oscillations) from 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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