Question: (a) Plot a graph for y(x, t) = (4.0 cm) sin [(378 rad/s)t (314 rad/cm)x] versus x at t = 0 and at t

(a) Plot a graph for
y(x, t) = (4.0 cm) sin [(378 rad/s)t − (314 rad/cm)x]
versus x at t = 0 and at t = 1/480 s. From the plots determine the amplitude, wavelength, and speed of the wave.
(b) For the same function, plot a graph of y (x, t) versus t at x = 0 and find the period of the vibration. Show that ( = vT.

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