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Two strings which are fixed at both ends are identical except that one is 0.59 cm...

Two strings which are fixed at both ends are identical except that one is 0.59 cm longer than the other. Waves on both of these string propagate with a speed of 34.2 m/sec and the fundamental frequency of the shorter string is 220 Hz.

1)

What is frequency of the beat that would result if these two strings were plucked at the same time?

fbeat =

2) What is the beat frequency if the length difference is now 0.76 cm?

fbeat =

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