The potential energy for a certain mass moving in one dimension is given by U(x) = (2.0 J/m3)x3 - (15 J/m2)x2 + (36 J/m)x - 23 J. Find the location(s) where the force on the mass is zero
A) 4.0 m, 5.0 m
B) 1.0 m
C) 2.0 m, 3.0 m
D) 3.0 m, 5.0 m
Answer: C
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