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## Homework Statement

Two speakers located 4.0 m apart. Listener is seated 25.0m from 1 speaker, and 27.0m from the other. We drive the two speakers at a freq. which we sweep from 100 to 500 Hz. If the 2 speakers are in phase, find the frequencies at which the waves constructively/destructively interfere.

Speed of sound = 343 m/s

## Homework Equations

x2-x1 = n[itex]\lambda[/itex] (constructive)

x2-x1 = (n+0.5)[itex]\lambda[/itex] (destructive)

lamda = v/f

## The Attempt at a Solution

Not sure to be honest where to start since there is a range of frequencies.

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