FinN 30 20 10 xpm 50 100 150 200 -10 For tery small displacements from xo, the force F is given by the approximate relation F = -k(x - xo). (c) Find the value of k in this equation. (d) Describe the motion of the atoms in the molecule when moving freely under the action of this force. By deriving the equation of motion of one of the atoms, or otherwise, find the frequency of the motion. (C)
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