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    Energy per Unit Length of the Wave

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    At clock time t the y position of the left-hand end of a long string is y = 1.74 cm * sin ( ( 4 `pi rad/s) t ). The string extends along the x axis, with the origin at the left end of the string, which is held under tension 49 Newtons and has mass per unit length 6 grams/meter. The motion of the left end creates a traveling wave in the string. How much energy is there per unit length of this wave? What is the precise nature of this energy?

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    Solution Summary

    The solution discusses how much energy is there per unit length of this wave.