- #1

skg94

- 79

- 0

## Homework Statement

## Homework Equations

If i can make that out its Ep=kq1q2/r where k is coloumbs constant

## The Attempt at a Solution

Im a little confused how do i know the radius of the alpha particles?

I was thinking its conservation of energy, Ep+Ek=Eka then try to solve for a that way, but would Fnet be 0 on this alpha particle?