Задача 40454.

Flat traveling acoustic wave is represented by the equation E (x, t) = 5 * 10 ^ 4 * sin (1980t-6x), m: determine the frequency of oscillation,. speed and wavelength; maximum relative deformation of the medium.

Detailed solution with a short recording conditions, laws and formulas used in the decision, the withdrawal of the calculation formula and the answer.
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