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A person uses a 512 Hz tuning fork to find the first two resonant lengths of a closed air column in a very warm classroom.

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A person uses a 512 Hz tuning fork to find the first two resonant lengths of a closed air column in a very warm classroom. The first length measured was 17.1 cm and the second resonant length was 51.3 cm. (a) Draw diagrams to show the standing wave pattern in each length and indicate the length in wavelengths. (b) Calculate the wavelength of the tuning fork at that temperature. (c) Use the lab observations and analysis to find the speed of sound and the temperature of the room

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