Proton is moving at an alpha particle, distance when it stops

  • #1
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Homework Statement


an alpha particle with a charge of 2e is fixed at the origin. a proton is aimed at the alpha particle and shot from a distance of 2.00 m at a speed of 3.46x10^6 m/s. How close will the proton come to the alpha particle before coming to a stop?

Homework Equations


Please help I need to know this for my test!

The Attempt at a Solution


Ek=Ee (maybe ?) [/B]
 

Answers and Replies

  • #2
gneill
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A plea for help is not a relevant equation. Follow through on your suggested solution approach: What equations are relevant here?
 
  • #3
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So is it correct that Ek=Ee?
If that's the case then 1/2mv^2 and kq/r^2 would be relevant
 
  • #4
gneill
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20,803
2,784
So is it correct that Ek=Ee?
The basic idea is correct. You'll have to expand on it though; What conservation rule is involved?
If that's the case then 1/2mv^2 and kq/r^2 would be relevant
Yes.
 

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