A stream of liquid, set at an angle θ, is directed against a plane surface (figure). The liquid, after hitting the surface, spreads over it. Find the pressure on the surface. The density of the liquid is ρ and its velocity is v.

Engineering

Physics

Equation of Continuity

Question

$\frac{1}{2} {ρv}^{2} \cos^{2} θ$

$\frac{1}{2} {ρv}^{2} cosθ$

ρv² cos² θ

ρv² cos θ

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$p = \frac{\frac{dm}{dt} \times [vcosθ]}{A_{s}} = \frac{{ρAv}^{2} cosθ}{Asecθ} = {ρv}^{2} \cos^{2} θ$ .

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