A wire,6.0 m long,with a mass of 10 g,is under tension.A transverse wave is propagated on the wire,for which the frequency is 280 Hz,the wavelength is 0.60 m,and the amplitude is 8.4 mm.The time,for a crest of the transverse wave to travel the length of the wire,in ms,is closest to:

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Quizplus · Accepted Answer

The speed of the wave is given by v = f*lambda = 280 Hz * 0.60 m = 168 m/s. The time for a crest to travel the length of the wire is then t = L/v = 6.0 m / 168 m/s = 0.036 s = 36 ms.

A Wire,60 M Long,with a Mass of 10 G,is Under Tension