2 years ago

Encuentre la presion en la otra seccion estrecha si las velocidades en las secciones son de 0.50m\sy 2m\s

Physics

1 answer:

Igoryamba2 years ago

4 0

Answer:

ΔP = 1875 Pa, P₂ = P₁ - 1875

Explanation:

Let's use Bernoulli's equation, with the subscript 1 for the widest Mars and the subscript 2 for the narrowest part, suppose that the pipe is horizontal

P₁ + ½ ρ v₁² + ρ g y₁ = P₂ + ½ ρ v₂² + ρ g y₂

P₁ -P₂ = ½ ρ (v₂² - v₁²)

suppose the fluid is water

P₁ - P₂ = ½ 1000 (2² - 0.5²)

ΔP = 1875 Pa

this is the pressure difference between the two sections

the pressure in the narrowest section is

P₂ = P₁ - 1875

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