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A flutist assembles her flute in a room where the speed of sound is 342 m/s...

A flutist assembles her flute in a room where the speed of sound is 342 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 343 m/s . You may assume in this problem that the construction of a flute makes it behave like a pipe which is open on both ends.

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

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

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