A utility tunnel is a tube closed at one end. Wind blowing past the entrance produces standing sound waves in the tunnel. If the distance between adjacent compressions (or rarefactions) of the sound wave is 17.4 m when the tunnel is vibrating at its fundamental frequency of 19.9 Hz, what is the temperature in the tunnel? (enter your answer with 3 significant figures) possibly useful: v = Af f= 1/T Vsound = (331 m/s)sqrt(T/273); T in K tube closed at one end: An = 4L/n, n= 1,3,5.. v = Anfn n = 1,3,5,.. V ΑΣφ ? K Submit Request Answer Part B What is the length of the tunnel? (enter your answer with 3 significant figures) V ΑΣφ ?

A utility tunnel is a tube closed at one end. Wind blowing past the entrance produces standing sound waves in the tunnel. If the distance between adjacent compressions (or rarefactions) of the sound wave is 17.4 m when the tunnel is vibrating at its fundamental frequency of 19.9 Hz, what is the temperature in the tunnel? (enter your answer with 3 significant figures) possibly useful: v = Af f= 1/T Vsound = (331 m/s)sqrt(T/273); T in K tube closed at one end: An = 4L/n, n= 1,3,5.. v = Anfn n = 1,3,5,.. V ΑΣφ ? K Submit Request Answer Part B What is the length of the tunnel? (enter your answer with 3 significant figures) V ΑΣφ ?

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Concept explainers

Interference of sound

Seiche

A seiche is an oscillating standing wave in a body of water. The term seiche pronounced saysh) can be understood by the sloshing of water back and forth in a swimming pool. The same phenomenon happens on a much larger scale in vast bodies of water including bays and lakes. A seizure can happen in any enclosed or semi-enclosed body of water.

Question

What is the frequency of the eleventh harmonic vibration of the tunnel? (enter your answer with 3 significant figures)
?
Hz
Submit
Request Answer
Part D
How long does it take an air molecule to complete 20 oscillations at the eleventh harmonic frequency of the tunnel? (use the answer to Part C and enter your answer with three significant
figures)

A utility tunnel is a tube closed at one end. Wind blowing past the entrance produces standing sound waves in the tunnel. If the distance between adjacent compressions (or rarefactions) of
the sound wave is 17.4 m when the tunnel is vibrating at its fundamental frequency of 19.9 Hz, what is the temperature in the tunnel?
(enter your answer with 3 significant figures)
possibly useful:
v = Af
f= 1/T
Vsound = (331 m/s)sqrt(T/273); T in K
tube closed at one end:
An = 4L/n , n = 1,3,5...
v = Anfn n = 1,3,5,..
nνα ΑΣφ
?
K
Submit
Request Answer
Part B
What is the length of the tunnel? (enter your answer with 3 significant figures)
m

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