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A free particle moving in one dimension has wave function Ψ(x, t)= A[e^i(kx-vt)- e^i(2kx-vt)]where k and v are positive real constants.Calculate v_av as the distance the maxima have moved divided by the elapsed time.

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A free particle moving in one dimension has wave function Ψ(x, t)= A[ei(kx-vt)- ei(2kx-vt)]where k and v are positive real constants.Calculate vav as the distance the maxima have moved divided by the elapsed time.