Question 8 One string of a certain musical instrument is 78.0 cm long and has a mass of 8.70 g. It is being played in a room where the speed of sound is 344 m/s. Part A To what tension must you adjust the string so that, when vibrating in its third overtone (ie. the fourth harmonic), it produces sound of wavelength 0.752 m ? (Assume that the breaking stress of the wire is very large and isn't exceeded.) Express your answer in newtons. Part B What frequency sound does this string produce in its fundamental mode of vibration? Express your answer in hertzes.

Question 8 One string of a certain musical instrument is 78.0 cm long and has a mass of 8.70 g. It is being played in a room where the speed of sound is 344 m/s. Part A To what tension must you adjust the string so that, when vibrating in its third overtone (ie. the fourth harmonic), it produces sound of wavelength 0.752 m ? (Assume that the breaking stress of the wire is very large and isn't exceeded.) Express your answer in newtons. Part B What frequency sound does this string produce in its fundamental mode of vibration? Express your answer in hertzes.

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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Stretched string

A stretched string is a wire which is made up of any metal that must have a larger length compared to its thickness. The ends of the wire are fixed, and when they oscillate or are plucked, it produces two reflected transverse waves of the same frequency and same amplitude. The waves or pulses are traveling in alternate directions and superimpose with one another. This waveform is named standing or stationary waves.

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