The potential energy of a 0.20-kg particle moving along the…

The potential energy of a 0.20-kg particle moving along the x axis is given by          U(x) =(8.0 J/m2)x2 + (2.0 J/m4)x4.When the particle is at x = 1.0 m it is traveling in the positive x direction with a speed of 5.0 m/s. It next stops momentarily to turn around at x =