Physics, 22.08.2019 00:30 kbuhvu

Two in-phase loudspeakers, which emit sound in all directions, are sitting side by side. one of them is moved sideways by 6.0 m, then forward by 7.0 m. afterward, constructive interference is observed 14, 12, and 34 the distance between the speakers along the line that joins them, and at no other positions along this line.
what is the maximum possible wavelength of the sound waves?
express your answer with the appropriate units.

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Two in-phase loudspeakers, which emit sound in all directions, are sitting side by side. one of them...