Задача 40524.

The wave travels in a straight line at a speed of 20 m/s. Two points located on this straight line at a distance of 12 m and 15 m from the wave source oscillate with a phase difference φ2-φ1 = 0.75π. Determine the wavelength and period of oscillation.

Detailed solution with a brief record of the conditions, formulas and laws used in the solution, derivation of the calculation formula and answer.
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