38 Four traveling waves are described by the followingequations, where all quantities are measured in SI unitsand y represents the displacement.I: y = 0.12 cos(3x - 21t)II: y= 0.15 sin(6x + 42t)III: y = 0.13 cos(6x + 21t)IV: y = -0.27 sin(3x - 42t)Which of these waves have the same period?O I and II, and also IlIl andIVO I and IV, and also Il and IIIO All of them have the same period.O I and IlI, and also Il and IV

given,I : y=0.12 cos3x-21tII: y=0.15 sin6x-42tIII: y=0.13 cos6x-21tIV: y=0.27 sin3x-42t

Answered: Which of these waves have the same…

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter18: Superposition And Standing Waves

Section: Chapter Questions

Problem 22PQ

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The equation of a harmonic wave propagating along a stretched string is represented by y(x, t) = 4.0 sin (1.5x 45t), where x and y are in meters and the time t is in seconds. a. In what direction is the wave propagating? be. N What are the b. amplitude, c. wavelength, d. frequency, and e. propagation speed of the wave?
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A wave is described by y = 0.020 0 sin (kx - t), where k = 2.11 rad/m, = 3.62 rad/s, x and y are in meters, and t is in seconds. Determine (a) (he amplitude, (b) the wavelength, (c) the frequency, and (d) the speed of the wave.
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