A flutist assembles her flute in a room where the speed of sound is 34

  • Thread starter sphouxay
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Homework Statement



A flutist assembles her flute in a room where the speed of sound is 340 m/s. When she plays the note A, it is in perfect tune with a 440 Hz tuning fork. After a few minutes, the air inside her flute has warmed to where the speed of sound is 347 .

How many beats per second will she hear if she now plays the note A as the tuning fork is sounded?

How far does she need to extend the "tuning joint" of her flute to be in tune with the tuning fork?

Homework Equations



f(beat) = 2f(mod) = 2 * (omega(mod))/(2pi) = f(1) - f(2)


The Attempt at a Solution



Ill get back with you on this
 

Answers and Replies

  • #2
34,305
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I don't think it's f(1) - f(2). I think it might be f1 - f2.

In your formulas, make sure you understand what each symbol represents.
 

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