Wednesday
December 17, 2014

Homework Help: Phy.

Posted by Brian on Sunday, May 8, 2011 at 3:15pm.

A proton of mass m moving with a speed of 2.5106 m/s undergoes a head-on elastic collision with an alpha particle of mass 4m, which is initially at rest. What is the speed of the proton after the collision?

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