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October 24, 2014

Homework Help: Physics

Posted by winget on Thursday, September 30, 2010 at 10:28am.

Calculate the electric power produced by a wind mill, when the wind speed is 10 m/s and the radius of the rotor circle (wing length) is 15 m. The density of air is 1.25 kg/m3. The eefficiency of the wind mill is 45%.

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