Задача 40462.

The equation of undamped oscillations of the source has the following form: x = 10 ^ -4 * sin100t, see Wavelength 20 m. Write a plane wave equation. Determine the acceleration of a point located at a distance of 25 m from the source, at a time equal to 0.2 s.

Detailed solution shorthand terms, formulas, laws used in the decision, the withdrawal of the calculation formula and the response.

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