Two waves with the same amplitude and wavelength interface in three different situation to produce resultant waves with the following equations: (1) y' (x,t) =4 sin (5x-4t) (2) y' (x,t) =4 sin (5x) cos (4t) (3) y' (x,t) =4 sin (5x+4t) In which stituation are the two combing waves traveling (a) toward positive x, (b) toward negative x, and (c) in opposite directions?

Two waves with the same amplitude and wavelength interface in three di

1.	Two waves with the same amplitude and wavelength interface in three different situation to produce resultant waves with the following equations: (1) y' (x,t) =4 sin (5x-4t) (2) y' (x,t) =4 sin (5x) cos (4t) (3) y' (x,t) =4 sin (5x+4t) In which stituation are the two combing waves traveling (a) toward positive x, (b) toward negative x, and (c) in opposite directions?
Answer» Answer :1; (B) 3; (c) 2

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