Calculate speed of water just before striking the turbines
Water flows over a dam at the rate of 680 and falls vertically 86 before striking the turbine blades. Calculate the speed of the water just before striking the turbine blades (neglect air resistance).
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A stone is dropped at t = 0. A second stone, with 6 times the mass of the first, is dropped from the same point at t = 59 ms. (a) How far below the release point is the center of mass of the two stones at t = 440 ms? (Neither stone has yet reached
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