Answered: Four waves are described by the…

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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Four waves are described by the following equations, where distances are measured in meters and
times in seconds.
I. y = 0.12 cos(3x - 21t)
П. у %3D 0.15 sin(6х + 42)
Ш. у %3D 0.13 сos(6х + 216)
IV. y = -0.23 sin(3x – 42t)
Which of these waves have the same period?
O They all have different periods.
X O I and IV, and also II and III
I and III, and also II and IV
O I and II, and also III and IV
O All of them have the same period.

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