wave speed:
the violin is a four stringed instrument tuned so that the ratio of the frequencies of adjacent strings is 3:2. (This is the ratio when taken as high frequency to lower frequency.) If the diameter of E string (the highest frequency) on a violin is 0.25 mm, find the diameters of the remaining strings (A,D,G), assuming they are tuned to intervals of a perfect fifth, they are made of the same material, and they all have the same tension.
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