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Two travelling sinusoidal waves are described by the wave functions
Y1 = 55.00 sin [π (4.00x - 1200t)]
Y2 =55.00 sin [π (4.00x - 1200t - 0.250)]
Where x, Y1, and Y2 are in meters and t is in seconds.
(a) What is the amplitude of the resultant wave function Y1, and Y2?
(b) What is the frequency of the resultant wave function?
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