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For the wave described by
PHYSICS · Subjective · A Level · Physics · Waves · Waves
Problem
For the wave described by
y
(
x
,
t
)
=
A
cos
(
k
x
+
ω
t
)
y(x,t)=A\cos(kx+\omega t)
y
(
x
,
t
)
=
A
cos
(
k
x
+
ω
t
)
, derive an expression for its speed of propagation and state whether the disturbance travels in the
+
x
+x
+
x
or
−
x
-x
−
x
direction.
Related theory
Wave Description
Transverse and longitudinal waves
Displacement relation in a progressive wave
Waves
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