A sinusoidal wave traveling in the negative x direction (to the left) has an amplitude of 20.0 cm, a wavelength
of 35.0 cm, and a frequency of 12.0 Hz. The transverse position of an element of the medium at t = 0, x = 0 is y
= - 3.00 cm, and the element has a positive velocity here. We wish to find an expression for the wave function
describing this wave.
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