The wave functions of two waves traveling in the same direction are given by:y_1 (x,t)=0.2sin(rtx-20t) and y 2 (x,t)=0.2sin(x-20t+p) where x and y are in meters and t is in seconds. If the two waves start at the same moment, then the path difference ,Ax, corresponding to a fully destructive interference is: 1 m
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