19. The resulting fluctuation, resulting in the addition of two harmonic oscillations in one direction, described by the equation x = Acost * cos45t (t - in seconds). Determine: 1) cyclic frequency ω1 and ω2 folded fluctuations; 2) the period of beats Tb resulting oscillation.
Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)
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