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30-11-2022
Physics

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Four waves are described by the following equations, in whichall distances are measured in centimeters and all times aremeasured in seconds:
y A= 10cos(3x-4t)
yB = 10 cos(5x+4t)
yC=20cos(-10x+60t)
yD=20cos(-4x-20t)
Which of these waves travel in the +x direction? (b) Which ofthese waves travel in the -x direction? (c) Which wave has thehighest frequency ? (d) Which wave has the greatest wavelength ? (e) Which wave has the greatest speed

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