Figure shows a plot of potential energy U versus position x of a 0.900 kg particle that can travel only along an x axis. (Nonconservative forces are not involved.) Three values are UA = 15 J, UB = 35 J and UC = 45 J. The particle is released at x = 4.5 m with an initial speed of 6.80 m/s, headed in the negative x direction.
If the particle can reach x = 1.0 m, what is its speed there, and if it cannot, what is its turning point?
The Attempt at a Solution
I have no clue what to do.
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