What are the three lowest possible values for d? assume a sound speed of 340 m/s .

By Allen Kazadi
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Two identical loudspeakers separated by distance d emit 200Hz sound waves along the x-axis. As you walk along the axis, away from the speakers, you don’t hear anything even though both speakers are on.What are the three lowest possible values for d? Assume a sound speed of 340m/s.

Answer:

The three lowest possible values for d are 0.85 m, 2.55 m and 4.25 m.

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