The figure shows a potential energy curve for the interaction of two neutral atoms. The two-atom system is in a vibrational state indicated by the heavy solid horizontal line.
(a) At r = r1, what are the approximate values of the kinetic energy K, the potential energy U, and the quantity K+U?
U = -1.3 eV
The Attempt at a Solution
I can't for the life of me figure out how to find K, I feel like it should be really easy, but I'm at a loss of where to start.
If anyone could give me jumping off point at least I'd be very grateful. Thanks
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