Solution of task 13.5.18 from the collection of Kepe OE
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13.5.18
The equation of motion of a material point has the form x = e-0.05t (0.3 cos4t + 0.5 sin4t). In order to express the equation of motion in the form x = Ae-nt sin (k1t + a), determine the value of A. (Answer 0.583)