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A particle of mass m is confined to a one-dimensional (1D) infinite well (i.e., a 1D box)
of width 6 m.
The potential energy is given by
(0 < x < 6m)
U(x)
o (x < 0 and x > 6m)
The particle is in the n=5 quantum state. What is the lowest positive value of x (in m)
such that the particle has zero probability of being found at x?

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