1. Limited time only! Sign up for a free 30min personal tutor trial with Chegg Tutors
    Dismiss Notice
Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

How can the energy at the beginning be zero

  1. Aug 4, 2010 #1
    1. The problem statement, all variables and given/known data

    2. Relevant equations

    conservation of energy

    3. The attempt at a solution
    how can the energy at the beginning be zero. then get accelerated?

    umm proton goes to lower potential and electron goes to higher potential? correct?

    i think that electron gets pulled by the higher potential surface correct?

    can some one explain
  2. jcsd
  3. Aug 4, 2010 #2

    Doc Al

    User Avatar

    Staff: Mentor

    The field between the plates exerts a force on it.

Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook