Homework Help: Physics

Posted by Joey on Monday, April 21, 2008 at 7:58pm.

A Particle in a lab is fired through a particle accelerator. If its rest mass is 500 MeV, what is the mass when it is traveling at 0.8c?

HELP PLEASE!! - Joey, Monday, April 21, 2008 at 8:33pm
can someone please help me on this im totally lost.
- ANYBODY? - Joey, Monday, April 21, 2008 at 9:03pm
  again, im really lost on this question. can someone explain to me how to do this?
HELP PLEASE!! - Joey, Monday, April 21, 2008 at 8:34pm
can someone please help me on this im totally lost.

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