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veronicak5678
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Homework Statement
A potential energy function is given by U (x) = a/x^2 + bx.
a- Find where the force described is 0, in terms of ab and b.
b- Suppose a = 10.0 J/m^2 and b = 2.00 J/m. if an object has a total energy of 20.0 J, for what values of x would it be limited?
Homework Equations
The Attempt at a Solution
I don't understand this. Should I just take the derivative and set it to 0? Then, for part b, set the entire function equal to 20?