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Welcome to this numerate tutorial.
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So to solve this problem, the thorough concepts for mastering the conceptual strategy for solving this problem and similar dynamics problems starts with the first law of thermodynamics, which is the conservation of energy.
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Therefore, potential energy is equal to kinetic energy.
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P .e.
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Is equal to k .e.
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So potential energy is equal to mass times gravity times height and kinetic energy is one -a -half mv squared.
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So if we compute the kinetic energy over the function of time to compute the joules per second, newton meters per second, we then compute the input power in the form of water power absorbed by the turbine to then convert the mechanical power into electrical power.
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So the efficiency of the turbine is specified at 0 .8 or 80%.
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So to compute our mass component outside of time as a potential mass, we need to access the density of water.
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The row value is for water 1 ,000 kilograms per cubic meter.
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So the flow rate is 100 cubic meters isolated outside of time...