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## Homework Statement

Suppose that I want to compare the Kinetic Energy of an electron to the Kinetic Energy of an alpha particle if they both have the same radius of curvature in a magnetic field.

## Homework Equations

qvB = mv^2/r

KE = 1/2 mv^2

## The Attempt at a Solution

I am studying for my PE and I have run across this problem. I just want to know if the equations that I show are the correct ones for this problem. I am wondering if I have to set two (2) versions of these equations equal to each other (one for electron -- one for a-particle) ??

If anyone has a solution then please share it with me.