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Physics
Physics
Problem
For the progressive wave
y
(
x
,
t
)
=
0.02
(
sin
(
0.2
x
−
30
t
)
)
y(x,t)=0.02\bigl(\sin(0.2x-30t)\bigr)
y
(
x
,
t
)
=
0.02
(
sin
(
0.2
x
−
30
t
)
)
(all quantities in SI units), state its amplitude.
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