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A jet water, whose cross section is A st...

A jet water, whose cross section is `A` strikes a wall making an angle `theta` with normal and elastically rebounds. The velocity of water of density `rho` is `v`. Force exerted on wall is :-

A

`2 Aupsilon^(2) rho`

B

`Aupsilon^(2) rho`

C

`2 Aupsilon^(2) rho sin theta`

D

`2 Aupsilon^(2) rho cos theta`

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The correct Answer is:
D
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