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One string of a certain musical instrument is 75.0cm long and has a mass of 8.77g . It is being played in a room where the speed of sound is 344 m/s.

To what tension must you adjust the string so that, when vibrating in its second overtone, it produces sound of wavelength 0.761m ?
(Assume that the breaking stress of the wire is very large and isn’t exceeded.)

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meerkat18
The question is asking to calculate the tension that the string has to adjust the string so that when vibrating in its second overtone, it produces sound of wavelength of 0.761m, base on my calculation, the calculation must be done by the formula of v=λf., I hope this would help 

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