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4. Suppose the speed of a projectile of mass 1.0 g is known to within 1.0 µms-1.
Calculate the minimum uncertainty in its position. Repeat the computation for an
electron and comment on the results.
5. Suppose the wavefunction, b(x), is an Eigenfunction of the operator Q with an
Eigenvalue Q. Show that the uncertainty in the measurement of Q is given by
AQ = V(Q?) – (Q)².
Assume (x) is normalized.

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