Suppose the roller coaster in the figure h1 40 m h2 15 m, Ask an Expert

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Suppose the roller coaster in the figure (h1 = 40 m, h2 = 15 m, h3 = 20) passes point A with a speed of 2.40 m/s. If the average force of friction is equal to one sixth of its weight, with what speed will it reach point B? The distance traveled is 40.0 m.

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