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Part A At T = 18 ∘C, how long must an open organ pipe be to...

Part A

At T = 18 ∘C, how long must an open organ pipe be to have a fundamental frequency of 349 Hz ? The speed of sound in air is v≈(331+0.60T)m/s, where T is the temperature in ∘C.

Express your answer to three significant figures and include the appropriate units.
l

l

=

nothingnothing

SubmitRequest Answer

Part B

If this pipe is filled with helium at 20∘C and 1 atm, what is its fundamental frequency? The speed of sound in helium is 1005 m/s.

Express your answer to three significant figures and include the appropriate units.
f

f

=

nothingnothing

SubmitRequest Answer

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