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The erhu is a traditional Chinese string instrument. It is played by using a bow to vibrate one of the two strings on the instrument.

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The erhu is a traditional Chinese string instrument. It is played by using a bow to vibrate one of the two strings on the instrument. Suppose one string is made of steel (density 7860kg/m3 and has a cross sectional area of 1.16 x 106m2. If that string is held such that the tension is 39N, what is the speed of a transverse wave along the string? m/s

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