If the potential energy between two molecules is given by \( U=-\frac{\mathrm{A}}{r^{6}}+\frac{B....
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0If the potential energy between two molecules is given by \( U=-\frac{\mathrm{A}}{r^{6}}+\frac{B}{r^{12}} \), then at equilibrium,
\( \mathrm{P} \)
separation between molecules, and the potential energy are:
(1) \( \left(\frac{B}{2 A}\right)^{\frac{1}{6}},-\frac{A^{2}}{2 B} \)
(2) \( \left(\frac{B}{A}\right)^{\frac{1}{6}}, 0 \)
(3) \( \left(\frac{2 B}{A}\right)^{\frac{1}{6}},-\frac{A^{2}}{4 B} \)
(4) \( \left(\frac{2 B}{A}\right)^{\frac{1}{6}},-\frac{A^{2}}{2 B} \)
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