At a certain location, wind is blowing steadily at 9 m/s. determine the mechanical energy of air per unit mass and the power generation potential of a wind turbine with 80-m-diameter blades at that location. also, determine the actual electric power generation, assuming an overall efficiency of 30 percent. take the air density to be 1.25 kg/m3.
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A10 kg box initially at rest is pulled 18 meters across a horizontal, frictionless surface by a 40 n force. what is the block’s final velocity over the 18 meters?
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At a certain location, wind is blowing steadily at 9 m/s. determine the mechanical energy of air per...
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