1.

the blades of windmill sweep out a circle of area 2 square metre . if the velocity of wind flows perpendicular to the circle is 18km/hr and density of air is 1.2kg/ metre cube ,then find power of wind mill.

Answer» the blades of windmill sweep out a circle of area 2 square metre . if the velocity of wind flows perpendicular to the circle is 18km/hr and density of air is 1.2kg/ metre cube ,then find power of wind mill.


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