Two sinusoidal waves are traveling in the same medium and have the wave functions y1 -0.4sin (0,25πt + 4πx) y2 -0.4sin (0, 25πt + 4πx + π/2) The maximum speed of vibration of the resultant wave is: A- V = 0 m/sec B- V = 0.1n m/sec C-V = 0.14n m/sec D- V = 0.71 m/sec E-V = 0.2n m/sec
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