Which of the following expressions correspond to traveling waves? For each of those, what is the speed
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Which of the following expressions correspond to traveling waves? For each of those, what is the speed of the wave? The quantities α, b, and c are positive constants.
(a) ψ(z, t) = (αz - bt)2
(b) ψ(x, t) = (αx + bt + c)2
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