5. Referring to potential energy vs position graph below... U (J) 80 60 40 20 0 0 5 10 15 20 x (m) 25 (a) If a 2 kg particle is located at x = 3 m, what is the direction and the magnitude of its acceleration? (b) What minimum speed would that particle need at x = 3 m to reach x = 20 m?
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