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February 28, 2015

Homework Help: Physics

Posted by Pooja on Thursday, November 27, 2008 at 1:43pm.

Hi guys,
Im a bit stumped on how to solve an online physics homework problem and it's really bothering me. I have no idea how to come up with the angles or even attempt the problem and neither do my friends. We'd all really appreciate it if someone could help us.
Many Thanks,
Pooja
A proton, moving with a velocity of viihatbold, collides elastically with another proton that is initially at rest. Assuming that after the collision the speed of the initially moving proton is 2.00 times the speed of the initially at rest proton, find the following.
(a) the speed of each proton after the collision in terms of vi
initially moving proton multiplied by vi
initially at rest proton multiplied by vi


(b) the direction of the velocity vectors after the collision
initially moving proton __ relative to the +x direction
initially at rest proton __ relative to the +x direction

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