If the wave equation is y(x,t) = a cos(kx – ωt), what is the displacement at t=0, x=0? - OSCILLATIONS AND WAVES Quiz | GKFix.in

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Question

If the wave equation is y(x,t) = a cos(kx – ωt), what is the displacement at t=0, x=0?

A. 0
B. a
C. –a
D. a/2