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The potential energy of two atoms in a molecule can be approximated by the Morse function:
U(r)=A[((e^((R-r)/s)-1)^2 )-1)] where r is the distance between the two atoms and A, R and S are positive constants with S<<R.
a) Sketch this function for 0<r<?
b) Find the equilibrium separation r0 at which U(r) is a minimum.
c) Now write r=r0+x so that x is the displacement from equilibrium and show that for small displacements U has the approximate form: U=constant +1?2 kx2. What is k?
you are driving with a friend who is sitting to the right of you in the passenger seat. You would like to get closer to your friend and decide to use physics to achieve your romantic goal by making a quick turn.
question 1. plot on a single graph the lennard-jones potential uu using the parameter sets i ai2 ei2 ii g23 623 and iii
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