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A crude approximation of voice production is to consider the breathing passages and mouth to be a resonating tube closed at one end. (a) What

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A crude approximation of voice production is to consider the breathing passages and mouth to be a resonating tube closed at one end. (a) What is the fundamental frequency (in Hz) if the tube is 0.230 m long, taking air temperature to be 37.0C? (b) What would this frequency (in Hz) become if the person replaced the air with helium? Assume the same temperature dependence for helium as air

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