An object moves along the x axis, subject to the potential energy shown in Figure 8-24. The object has a mass of 1.8 kg, and starts at rest at point A.

(a) What is the object's speeds at point B, at point C, and at point D?

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  1. See my previous answer to the same question.

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  2. A particle is moving along the x-axis subject to the potential energy function U(x) = 1/ x + x2 + x – 1. Determine the x-component of the net force on the particle at the coordinate x = 3.57 m

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