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An organ pipe is shown to resonate at 240 Hz, 320 Hz, and 400 Hz. It does not resonate at any other frequencies between 240 Hz and 400 Hz, but may resonate at other frequencies outside this range. The speed of sound inside the tube is 340 m/s.
a. What is the fundamental frequency of the pipe? Show your work.
b. How long is the organ pipe? Show your work.
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