3) Consider a pipe A which is 1.2 m long and open at both ends. It is oscillating in its second lowest harmonic frequency. Another pipe B, which is closed at one end, oscillates as well at its second lowest harmonic frequency. The frequencies of pipes A and B happen to match. The speed of sound inside the pipes is 343 m/s. a) If an x axis extends along the interior of pipe A, with x=0 at one end, where along the axis are the displacement nodes? b) How long is pipe B? c) What is the lowest harmonic frequency of pipe A?
3) Consider a pipe A which is 1.2 m long and open at both ends. It is oscillating in its second lowest harmonic frequency. Another pipe B, which is closed at one end, oscillates as well at its second lowest harmonic frequency. The frequencies of pipes A and B happen to match. The speed of sound inside the pipes is 343 m/s. a) If an x axis extends along the interior of pipe A, with x=0 at one end, where along the axis are the displacement nodes? b) How long is pipe B? c) What is the lowest harmonic frequency of pipe A?
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Transcribed Image Text:3) Consider a pipe A which is 1.2 m long and open
at both ends. It is oscillating in its second lowest
harmonic frequency. Another pipe B, which is
closed at one end, oscillates as well at its second
lowest harmonic frequency. The frequencies of
pipes A and B happen to match. The speed of
sound inside the pipes is 343 m/s.
a) If an x axis extends along the interior of pipe A,
with x=0 at one end, where along the axis are the
displacement nodes?
b) How long is pipe B?
c) What is the lowest harmonic frequency of pipe
A?
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