y! 72 Two sinusoidal 120 Hz waves, of the same frequency and amplitude, are to be sent in the positive direction of an x axis that is directed along a cord un- der tension. The waves can be 10 20 sent in phase, or they can be phase-shifted. Figure 16-47 shows the amplitude y' of the re- sulting wave versus the distance of the shift (how far one wave is shifted from the other wave). The scale of the vertical axis is set by y', = 6.0 mm. If the equations for the two waves are of the form y(x, t) = ym sin(kx + wt), what are (a) ym, (b) k, (c) w, and (d) the correct choice of sign in front of w? Shift distance (cm) Figure 16-47 Problem 72. (uu)

y! 72 Two sinusoidal 120 Hz waves, of the same frequency and amplitude, are to be sent in the positive direction of an x axis that is directed along a cord un- der tension. The waves can be 10 20 sent in phase, or they can be phase-shifted. Figure 16-47 shows the amplitude y' of the re- sulting wave versus the distance of the shift (how far one wave is shifted from the other wave). The scale of the vertical axis is set by y', = 6.0 mm. If the equations for the two waves are of the form y(x, t) = ym sin(kx + wt), what are (a) ym, (b) k, (c) w, and (d) the correct choice of sign in front of w? Shift distance (cm) Figure 16-47 Problem 72. (uu)

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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