13.18 Two piano strings with the same mass and the same length are to be tuned...

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Physics

13.18 Two piano strings with the same mass and the same lengthare to be tuned to 440 Hz (A on the equal temperament scale). Onestring, with a tension of 300 N is already tuned to 440 Hz. Thesecond string frequency is 435 Hz. a) Should the tension of string2 be increased or decreased to tune the frequency to 440 Hz? b) Howmuch must the tension of string 2 be changed to change thefrequency from 435 Hz to 440 Hz?
14.2 The wavelength of a 450 Hz sound wave in air has awavelength of 0.78 m. a) What is the speed of sound in air? b) Whatis the temperature?

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3.5 Ratings (335 Votes)

Given two pianon strings of the same mass and the same length are to be tuned to 440 Hz the string 1 tuned to 300 N of the frequency is f1 440 Hz string 2 See Answer

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