A wave is modeled with the function y(x,t)=0.25cos(0.30x − 0.90t + π/3) where all lengths are in meters and all times in

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answerhappygod
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A wave is modeled with the function y(x,t)=0.25cos(0.30x − 0.90t + π/3) where all lengths are in meters and all times in

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A wave is modeled with the function y(x,t)=0.25cos(0.30x − 0.90t
+ π/3) where all lengths are in meters and all times in
seconds.
Part a) Find the wavelength of the wave.
Part b) Find the period of the wave.
Part c) Find the wave speed (a positive number).
Part d) What is the instantaneous velocity of one of the
particles that make up the medium at position 0 at time 22 sec?
Make sure to use the correct sign (plus or minus) for your
answer.
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