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The blades of a windmill sweep out a cir...

The blades of a windmill sweep out a circle of area A. If the wind flows at a velocity v perpendicular to the circle, then the mass of the air of density `rho` passing through it in time t is

A

`(rhoAv^(3))/(2)`

B

`(rhoAv^(2))/(2)`

C

`rhoAv^(2)`

D

`2rhoAv^(2)`

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The correct Answer is:
A
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