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## Homework Statement

Write down a relation between the total relativistic energy, mass and momentum of a

particle.

**An antiproton has a total energy of 5.00 GeV. Calculate its momentum and its**

speed.

speed.

## Homework Equations

E = γmc^2

E = (cp)^2 +(mc^2)^2

p = γmv

## The Attempt at a Solution

I've tried subbing everything in and playing around with the algebra but I cant get an expression entirely in terms of v or p.

Also how do you get the proper math equations on here? Are the tags [itex]?

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