What is the resultant amplitude of the two waves

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Two sinusoidal waves, identical except for phase, travel in the same direction along a string, producing the net wave y(x,t)=(6.5 mm)sin(28.0x -4.0 s-1 * t+0.350 rad),with x in meters and t in seconds. what is the resultant amplitude of the two waves? (and no its not 6.5mm im not dumb).

Reference no: EM13284171

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