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Two Traveling Waves Have the Forms Z1 = a Sin(kx

Question 67

Multiple Choice

Two traveling waves have the forms z1 = A sin(kx - ωt) , z2 = A sin(kx + ωt ) Express their superposition in the form of a standing wave.


A) 2A cos(kx) cos( ωt )
B) 2A sin(kx) cos( ωt )
C) 2A sin(kx) sin( ωt )
D) A sin[(kx ) 2 - (ωt ) 2]
E) 2A cos(kx) sin( ωt )

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