1. A sinusoidal traveling wave moves in the -x direction. The displacement at t = 0 sec (solid curve) and at t = 0.25 sec (dotted curve) are shown below. Grid lines are shown for your convenience. INXNN 0 E 1 -6 -3 2 x (m) a. Determine the wave number k of the wave. (Don't forget the units.) b. Find an expression for the time-varying displacement D(x,t).
1. A sinusoidal traveling wave moves in the -x direction. The displacement at t = 0 sec (solid curve) and at t = 0.25 sec (dotted curve) are shown below. Grid lines are shown for your convenience. INXNN 0 E 1 -6 -3 2 x (m) a. Determine the wave number k of the wave. (Don't forget the units.) b. Find an expression for the time-varying displacement D(x,t).
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