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When you blow across the top of asoda bottle, it acts like a closedpipe. If the inside of the bottle is0.150 m long, what is the fifthharmonic frequency (fs)?(Speed of sound = 343 m/s)(Unit = Hz)
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When you blow across the top of asoda bottle, it acts like a closedpipe. If the inside of the bottle is0.150 m long, what is the fifthharmonic frequency (fs)?(Speed of sound = 343 m/s)(Unit = Hz)

User Paul Leclerc
by
3.2k points

1 Answer

6 votes

L = lenght = 0.150 m

V = speed of sound = 343 m/s

For the fifth harmonic:

5V/4L

Replacing:

5 (343) / 4 (0.15) = 2,858.33 Hz

User Roland Rabien
by
3.6k points
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