Recent content by z00maffect

awesome thanks! got \pi*\sqrt{2}/2

Homework Statement What is the average <x> for following probability densities P(x) = A[a^{4}+(x-x_{0})^{4})]^{-1} Homework Equations The Attempt at a Solution dont know how to start

Homework Statement \int^{\infty}_{-\infty}(1/(a^{4}+(x-x_{0})^{4}))dx Homework Equations The Attempt at a Solution i let u = (x-x_{0})^{4} but have no idea what to go from there

ahh yes of course, much thanks

If i already know the wave function then measure an observable what is the new wave function? Is it just the eigenfunction of the observable corresponding to the measured value? And does it stay in this state until something interacts with it?