Recent content by Pianodan

Oops - that's what I get for trying to infer Latex markup instead of using the reference when I'm not quite ready. Yes indeed - I had it right on the paper. Oh, well, given that I don't need to bother with beta then, do I? So the answer for the final E in the rest frame of A is just...

@Dick - the gamma is there because I was assuming there was a relativistic contraction of the x component of the other particle's motion relative to the first one. I think now it should probably be 1/gamma, if that's even right. @Everyone else - I appreciate the advice to write out the four...

Homework Statement Two particles of equal mass M and equal net energy E are approaching each other at an angle of 90 degrees. Find the net energy of one particle in the rest frame of the other. Do not assume that the velocities are small compared to the speed of light. Homework...

Oh... right. (bangs head on desk)

Thanks to both of you for the help. It's clear that my facility with logarithms has eroded greatly. After making the correct substitution into the time differential, I discovered that it was indeed just as nasty as Filip had suggested. The mass differential was simpler, but still a bit of a...

I'm returning to grad school for physics this fall, but I've been out of the classroom for thirteen years. (teaching music, of all things) I'm working my way through practice problems for the placement exam, but I don't have any way to verify correct answers for the problems unless I find...