For the wave described plot the displacement \( (y) \) versus \( (t...

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For the wave described plot the displacement \( (y) \) versus \( (t) \) graphs for \( x=0.2 \) and \( 4 \mathrm{~cm} \). What are the shapes of these graphs? In which aspects does the oscillatory motion in travelling wave differ from one point to another: amplitude,
\( P \) frequency or phase ?

W
A transverse harmonic wave on a string is described by
\[
y(x, t)=3.0 \sin (36 \mathrm{t}+0.018 x+\pi / 4)
\]
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