Recent content by The Eggman

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    Difference between UCSD and UCB for undergraduate physics?

    Although it seems that the consensus is that Cal is better for undergraduate physics than UCSD, I'm wondering how substantial this difference might be. Several factors (mostly money) make it more convenient for me to live at home and go to UCSD for physics, but this could be dealt with if there...
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    How Do You Calculate Displacement at Reduced Velocity in Free-Fall Motion?

    Homework Statement A stone is thrown straight upward with a velocity of 10V and travels upward a distance X. What is the displacement when the object is traveling at 5V? Homework Equations xf=x0+v0t+1/2at^2 vf=v0+at vf^2=v0^2+2ax The Attempt at a Solution .75X? Further...
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    How Do You Derive Expectation Values Using Bra-Ket Notation?

    Oh wait, did you just use the Identity operator? I think I get it now...
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    How Do You Derive Expectation Values Using Bra-Ket Notation?

    Sorry, I still don't totally understand the first identity. How do you derive that? There isn't a scalar product, so is some other operation implicit? Also, (this is going to be a stupid question) but |\phij><\phij| cannot be simplified, right?Lastly, can you commute the bra and the ket to form...
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    How Do You Derive Expectation Values Using Bra-Ket Notation?

    Concerning expectation values... Also, the derivation in terms of bra-ket rather than wage function would be appreciated. Where \psi is the system state Knowing that <A>\psi=<\psi|A|\psi> And A is comprised of a complete eigenvector set \phij w/ corresponding eigenvalues aj How do you...
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