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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