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Physics
Physics
Problem
The wave described by
y
=
0.02
sin
(
3
x
+
6
t
)
y=0.02\sin(3x+6t)
y
=
0.02
sin
(
3
x
+
6
t
)
(SI units) moves a) along the
+
x
+x
+
x
-direction with speed
2
m
s
−
1
2\,\text{m\,s}^{-1}
2
m
s
−
1
b) along the
−
x
-x
−
x
-direction with speed
2
m
s
−
1
2\,\text{m\,s}^{-1}
2
m
s
−
1
c) along the
−
x
-x
−
x
-direction with speed
0.5
m
s
−
1
0.5\,\text{m\,s}^{-1}
0.5
m
s
−
1
d) along the
+
x
+x
+
x
-direction with speed
0.5
m
s
−
1
0.5\,\text{m\,s}^{-1}
0.5
m
s
−
1
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