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Potential Energy Graph A conservative force F(x) acts on a 2.0 kg particle that moves along the x axis. The potential energy U(x) associated with F(x) is graphed in Fig. 10-46. When the particle is at x = 2.5 m, its velocity is -2.0 m/s. The "kinks" in the graph occur at (1, -2.8), (4, -17.2), and (8.5, -17.2); and the endpoint is at (15, -2).

Figure 10-46

(a) What are the magnitude and direction of F(x) at this position?

(b) Between what limits of x does the particle move?

(c) What is its speed at x = 7.0 m?

I have no idea how to interpret the graph, please help?

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# Homework Help: Reading a Potential Energy graph

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