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Two steady sound waves

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Two steady sound waves of equal amplitude but different frequency, traveling in the same direction, are combined. One has a frequency of 188.0 Hz and the other 189.0 Hz. What is the minimum distance between two separated listeners who hear the resulting beat waves in phase (in other words they hear the maxima at the same time)? Assume that the speed of sound in air is 343m/s.

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Solution Summary

Calculation to find the distance between listeners of two separate sound waves that can have them hear the beat waves in phase.

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