•P25 Figure 7.49 is a potential energy curve for the interaction of two neutral atoms. The two-atom system is in a vibrational state indicated by the green horizontal line. 0 eV- -0.2 eV- -0.4 eVF -0.6 cV+ -0.8 eV- -1.0 eVF -1.2 eVF -1.4 eV+ -1.6 eV† Figure 7.49 (a) At r = r1, what are the approximate values of the kinetic energy K, the potential energy U, and the quantity K+U? (b) What minimum energy must be supplied to cause these two atoms to separate? (c) In some cases, when r is large, the interatomic potential energy can be expressed approximately as U = -a/rº. For large r, what is the algebraic form of the magnitude of the force the two atoms exert on each other in this case?

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•P25 Figure 7.49 is a potential energy curve for the interaction of two neutral atoms. The two-atom system is in a vibrational state
indicated by the green horizontal line.
0 eV•
-0.2 eV
-0.4 eV
-0.6 cV
-0.8 eV
-1.0 eV
-1.2 eV-
-1.4 eV-
-1.6 eV†
Figure 7.49
(a) At r = r1, what are the approximate values of the kinetic energy K, the potential energy U, and the quantity K+ U? (b)
What minimum energy must be supplied to cause these two atoms to separate? (c) In some cases, when r is large, the
interatomic potential energy can be expressed approximately as U = -a/rº. For large r, what is the algebraic form of the
magnitude of the force the two atoms exert on each other in this case?
Transcribed Image Text:•P25 Figure 7.49 is a potential energy curve for the interaction of two neutral atoms. The two-atom system is in a vibrational state indicated by the green horizontal line. 0 eV• -0.2 eV -0.4 eV -0.6 cV -0.8 eV -1.0 eV -1.2 eV- -1.4 eV- -1.6 eV† Figure 7.49 (a) At r = r1, what are the approximate values of the kinetic energy K, the potential energy U, and the quantity K+ U? (b) What minimum energy must be supplied to cause these two atoms to separate? (c) In some cases, when r is large, the interatomic potential energy can be expressed approximately as U = -a/rº. For large r, what is the algebraic form of the magnitude of the force the two atoms exert on each other in this case?
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