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65. We note that
dy/dt
=
−
ω
cos(
kx
–
ω
t
+
φ
),
which we will refer to as
u
(
x,t
). so that the ratio of the function
y
(
x,t
) divided by
u
(
x,t
)
is – tan(
kx
−ω
t
+
φ
)/
ω
.
With the given information (for
x
= 0 and
t
= 0) then we can take
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This note was uploaded on 04/16/2011 for the course PHYSICS 191262 taught by Professor Najafzadeh during the Spring '09 term at The Petroleum Institute.
 Spring '09
 NAJAFZADEH
 mechanics

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