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# Engineering

A  water jet, whose cross-sectional area 'a' strikes a wall making an angle \theta with the normal and rebounds elastically. The velocity of water of density 'd' is v. Force exerted on the wall is : 

2av^dcos\Theta

2av^{2}dsin\theta

2avdcos\theta

2avdsin\theta

Answers (1)
M manish

The correct option is B (2av^2d \sin \theta)

 

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