Solution of task 13.6.8 from the collection of Kepe OE

Solution of task 13.6.8 from the collection of Kepe OE

13.6.8
The differential equation of the vibrational motion of a material point is given in the form 5x + 320x = 90 sin 7t. Determine the angular frequency of the natural oscillations of a point. (Answer 8)

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