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10-07-2024
Physics

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Paige discovered an old water well in her backyard. She decided to measure its depth. She happened to have an audio oscillator of adjustable frequency. She sends sound waves down to the well and adjusts the frequency until she finally hears two successive resonances at frequencies of 195 Hz and 221 Hz. What is the depth of the well? Take speed of sound as 440 m/s.

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