Tovi is playing a flute and Dawn is playing a violin. At the beginning of the performance, they tuned their instruments by ear, so the difference between the fundamental frequencies of the A notes played on each instrument was less than 1 HzHz. At the end of the performance, they measured the A note fundamental frequencies of their instruments using a device that measures sound frequency with uncertainty 0.05 HzHz. Dawn's A was 441.8 HzHz and Tovi's was 439.3 HzHz. What is the beat frequency heard when Dawn and Tovi simultaneously play the A note at the end of the performance
Interference of sound
Seiche
A seiche is an oscillating standing wave in a body of water. The term seiche pronounced saysh) can be understood by the sloshing of water back and forth in a swimming pool. The same phenomenon happens on a much larger scale in vast bodies of water including bays and lakes. A seizure can happen in any enclosed or semi-enclosed body of water.
Tovi is playing a flute and Dawn is playing a violin. At the beginning of the performance, they tuned their instruments by ear, so the difference between the fundamental frequencies of the A notes played on each instrument was less than 1 HzHz. At the end of the performance, they measured the A note fundamental frequencies of their instruments using a device that measures sound frequency with uncertainty 0.05 HzHz. Dawn's A was 441.8 HzHz and Tovi's was 439.3 HzHz.
What is the beat frequency heard when Dawn and Tovi simultaneously play the A note at the end of the performance?
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