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A wave on a string is described by D(x,t)=(4.0cm)× sin[2π(x/(4.8m)+t/(0.26s)+1)], where x is in m and...

A wave on a string is described by D(x,t)=(4.0cm)× sin[2π(x/(4.8m)+t/(0.26s)+1)], where x is in m and t is in s.

Part A

What is the wave speed?

Part B

What is the frequency?

Part C

What is the wave number?

Part D

At t=0.65s, what is the displacement of the string at x=5.2m?

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