Acceleration and Kinetic Energy

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k0k
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Homework Equations



a=F/m
Ek= 1/2mv^2
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Not exactly sure how to go through with this..
I tried finding velocity with the given kinetic energy, but am unsure what to do next.
 
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What has happened to the kinetic energy at the point of closest approach? Where is the point of closest approach?
 
Um, the kinetic energy is at it's maximum when it's approaching the nuclues?

Wait.. so is the kinetic energy given to me, is the Ek at the beginning I believe. Not sure how that'll help me though.
 
k0k said:
Um, the kinetic energy is at it's maximum when it's approaching the nuclues?

Are you sure about that? You have a positive charge approaching another positive charge? Is the force attractive or repulsive?