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Physics
Physics
Problem
The displacement of a wave on a string is given by
y
(
x
,
t
)
=
0.02
cos
(
5
x
+
40
t
)
y(x,t)=0.02\cos(5x+40t)
y
(
x
,
t
)
=
0.02
cos
(
5
x
+
40
t
)
(SI units). Identify the direction in which the wave is travelling.
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