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Another seemingly very easy question (Energy)

  1. Dec 4, 2009 #1
    1. The problem statement, all variables and given/known data

    The diagram below is a graph of potential energy vs. interatomic separation for a particular diatomic molecule (that is, a molecule consisting of two atoms).

    2iqlitf.gif

    For the energy level shown on the graph, imagine drawing a line whose length represents the kinetic energy when the interatomic separation is r0. This line runs from where to where?
    2. Relevant equations

    K+U=E?
    0.5Ks^2=E

    3. The attempt at a solution
    I always have problems analyzing graphs. I got the latter parts of this question correct which involved doing calculations. However, I can't seem to get this one. The only reasonable answer I can come up with is from 1 to 2 since that would make the molecule unbound and allow it to seperate (break apart). Any help on this question would be much appreciated.
     
  2. jcsd
  3. Dec 4, 2009 #2

    kuruman

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    Homework Helper
    Gold Member

    If you were to draw the total energy on the same graph as a function of r, what would it look like?
     
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