You are measuring the frequency dependence of the average
Chapter 15, Problem 15.76(choose chapter or problem)
You are measuring the frequency dependence of the average power Pav transmitted by traveling waves on a wire. In your experiment you use a wire with linear mass density 3.5 g>m. For a transverse wave on the wire with amplitude 4.0 mm, you measure Pav (in watts) as a function of the frequency f of the wave (in Hz). You have chosen to plot Pav as a function of f 2 (Fig. P15.76). (a) Explain why values of Pav plotted versus f 2 should be well fit by a straight line. (b) Use the slope of the straight-line fit to the data shown in Fig P15.76 to calculate the speed of the waves. (c) What angular frequency v would result in Pav = 10.0 W?
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