16. A string of length 1.8 m is under tension of 100 N. What is the mass of the string if its second harmonic frequency is 75 Hz? 17. A tube open at both ends has a length of 0.6 m. The speed of sound in air is 340 m/s. Determine the fundamental (first harmonic) frequency of this tube. 18. The windpipe of one typical whooping crane is 5.00 feet long. What is the fundamental resonant frequency of the bird's trachea, modeled as a narrow pipe closed at one end? Assume a temperature of 37° C.

16. A string of length 1.8 m is under tension of 100 N. What is the mass of the string if its second harmonic frequency is 75 Hz? 17. A tube open at both ends has a length of 0.6 m. The speed of sound in air is 340 m/s. Determine the fundamental (first harmonic) frequency of this tube. 18. The windpipe of one typical whooping crane is 5.00 feet long. What is the fundamental resonant frequency of the bird's trachea, modeled as a narrow pipe closed at one end? Assume a temperature of 37° C.

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

16. A string of length 1.8 m is under tension of
100 N. What is the mass of the string if its
second harmonic frequency is 75 Hz?
17. A tube open at both ends has a length of 0.6
m. The speed of sound in air is 340 m/s.
Determine the fundamental (first harmonic)
frequency of this tube.
18. The windpipe of one typical whooping crane is
5.00 feet long. What is the fundamental resonant
frequency of the bird's trachea, modeled as a narrow
pipe closed at one end? Assume a temperature of
37° C.

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