Find the momentum-space wave function ϕn(p, t) for the nth stationary state of the infinit...

Find the momentum-space wave function ϕn(p, t) for the nth stationary state of the infinite square well. Graph  and , as functions of p (pay particular attention to the points). Use ϕn(p, t) to calculate the expectation value of p2. Compare your answer to Problem 2.4.