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A wave on a string is described by D(x,t) = (1.2 cm)sin[2 pi (x/(3.9 m) + t/(0.4 s) + 1)], where x is in m and t is in s.
What is the wave speed?
m/s.
What is the wave frequency?
Hz.
What is the wave number?
rad/m.
At t = 0.2 s, what is the displacement of the string at x = 0.6 m?
cm.
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