12) a long tube of length 50 cm is open on one end and closed on the other end. It is placed in qir at room temperature. a) What is the frequency of the 5 harmonic b) Draw the tube and a qualitative graph of the excess density at two different times separated by the period / 4 (several answers are possible here)
12) a long tube of length 50 cm is open on one end and closed on the other end. It is placed in qir at room temperature. a) What is the frequency of the 5 harmonic b) Draw the tube and a qualitative graph of the excess density at two different times separated by the period / 4 (several answers are possible here)
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Transcribed Image Text:### Problem 12:
A long tube of length 50 cm is open on one end and closed on the other end. It is placed in air at room temperature.
a) What is the frequency of the 5th harmonic?
b) Draw the tube and a qualitative graph of the excess density at two different times separated by the period / 4 (several answers are possible here)
### Problem 13:
What does Pascal's theorem (wedge proof) state about the pressure at a single point in a fluid?
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