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ubermuchlove
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Homework Statement
The potential energy of a pair of hydrogen atoms separated by a large distance x is given by U(x)= -C6/x^6, where C6 is a positive constant. What is the force that one atom exerts on the other? Is this force attractive or repulsive?
Homework Equations
The Attempt at a Solution
I'm thinking we have to take the derivative of the equation??
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