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Q. If the string is 9.5 m long, has a mass of 45 g and is pulled taut with a tension of 8.0 N, how much time does it take for a wave to travel from one end of the string to the other?

Q. A narrow column of air is found to have standing waves at frequencies of 360 Hz, 480 Hz, and 600 Hz and no frequencies in between these. The behavior of the tube at frequencies less than 360 Hz or greater than 600 Hz is not known. How Long is the tube? Draw a displacement graph of the 520 Hz standing wave in the tube. The air is replaced by carbon dioxide which has a sound speed of 280 m/s what are the new frequencies of these three modes?

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