Four traveling waves are described by the following equations, where all quantities are measured in SI units and y represents the displacement. I: y 0.12 cos(3x + 2t) II: y 0.15 sin(6x - 3t) III: y = 0.23 cos(3x + 6t) IV: y = -0.29 sin(1.5x - t) Which of these waves have the same speed? O l and II O l and IV O Il and III O I and II

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Chapter1: Units, Trigonometry. And Vectors
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Four traveling waves are described by the following equations,
where all quantities are measured in SI units and y represents the
displacement.
1: y= 0.12 cos(3x + 2t)
II: y 0.15 sin(6x - 3t)
III: y = 0.23 cos(3x + 6t)
IV: y = -0.29 sin(1.5x - t)
Which of these waves have the same speed?
O l and II
I and IV
O Il and II
O I and III
8:16 AM
^ @O4) ENG
23/09/2021
30°C Mostly cloudy
Transcribed Image Text:Four traveling waves are described by the following equations, where all quantities are measured in SI units and y represents the displacement. 1: y= 0.12 cos(3x + 2t) II: y 0.15 sin(6x - 3t) III: y = 0.23 cos(3x + 6t) IV: y = -0.29 sin(1.5x - t) Which of these waves have the same speed? O l and II I and IV O Il and II O I and III 8:16 AM ^ @O4) ENG 23/09/2021 30°C Mostly cloudy
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