(Answered) 1 in terms of the wavelength of the sound wave about how

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1. In terms of the wavelength of the sound wave, about how far below the open end of the resonance tube is the first resonant position?

2. The speed of sound in air is 345 m/s. A tuning fork vibrates above the open end of a sound resonance tube. If sound waves have wavelengths 65-cm in the tube, what is the frequency (in Hertz) of the tuning fork? Never include units with a numerical answer.

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