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5. State and prove the work-energy theorernocity vThe blades of a windmill sweep out a circle of area A. If the wind flows with a velperpendicular to the circle derive expression theala) Mass of air passing through the circle and the kinetic energy transferred by wind to theblades of windmill in time t'electric energy and A- 30m2 , v 36 km/h and density of air is 1.2 kgm3(b) Find the electric power produced that the windmill converts 25% of wind energy into |
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Answer» this is not the answer |
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