Average force of friction equavalent to one third of weight
Suppose the roller coaster (h1 = 31 m, h2 = 13 m, h3 = 25) passes point A with a speed of 1.00 m/s. If the average force of friction is equal to one third of its weight, with what speed will it reach point B? The distance traveled is 50.0 m.
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A bucket of water with a mass of 2.0 kg is attached to a rope that is wound around a cylinder. The cylinder has a mass of 3.0 kg and is mounted horizontally on frictionless hearings. The bucket is released from rest. (a) Find its speed after it ha
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