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A wind - powered generator convets and e...

A wind - powered generator convets and energy into electrical energy . Assume that the generator convents a fixed fraction of the wind energy intercepited by to blades into electrical energy for wind speed `V` , the electrical power output will be propertional to

A

v

B

`v^2`

C

`v^3`

D

`v^4`

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SL ARORA-Work, Energy and power-EXERCISE
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  2. A particle of mass m is moving in a circular path of constant radius r...

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  3. A wind - powered generator convets and energy into electrical energy ...

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  4. A particle is acted by x force F = Kx where K is a( + Ve) constant its...

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  6. A block of mass 2 kg is free to move along the x-axis. It at rest and ...

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  7. A block (B) is attached to two unstriched sprig S(1) and S(2) with spr...

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  8. Two small particles of equal masses stant moving in opposite directio...

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  9. A particle of mass m is projected from the ground with an initial spee...

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  10. A particle is acted upon by a force of constant magnitude which is alw...

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  11. A force F=-K(yhati+xhatj) (where K is a positive constant) acts on a p...

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  12. A body is moved along a straight line by a machine delivering constant...

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  13. A uniform chain of length L and mass M is lying on a smooth table and ...

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  14. A small bell starts moving from A over a fixed track as shown in the f...

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  15. A tennis ball dropped on a barizoontal smooth surface , it because bac...

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  16. A particle of mass m is initially at rest at the origin. It is subject...

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  17. There object A ,B and C are kept is a straing line a fritionlas horize...

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  18. A block of mass 0.18 kg is attached to a spring of force-constant 2 N/...

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  19. A particle of mass 0.2 kg is moving in one dimension under a force tha...

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