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A violin string of length 38 cm and mass 1.3 g has a frequency of 457 Hz when it is vibrating in its fundamental mode. (a) Wh
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L = 38 cm. M = 1.3 g f = 457 Hz fundamental mode = (n=1) a for fundamental mode d=L 2 d=2L = 2 X 38 = 76 cih, d = 76 cm v=dff = 607 Hz f = nove 2 L L = nu 2f L = IX 347.32 m/s 2 x 607 Hz L = 0.286 m L 28.6 Com.

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