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chomsky
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Homework Statement
My professor has given us a pset with this problem:
A plane mechanical wave is represented by the equation [itex]y = 30 sin(30\pi t + 0.03 \pi x)[/itex]
Where [itex]y[/itex] is measured in cm, [itex]x[/itex] is measured in metres and time [itex](t)[/itex] is measured in seconds. Find
(i)amplitude of particle velocity
(ii)wave-velocity
Homework Equations
The Attempt at a Solution
While I know how to find (ii), I don't know how to find out (i). Can somebody please tell me ?