mlimongelli1106 mlimongelli1106
  • 26-03-2018
  • Physics
contestada

Water flows through a 3.40 cm diameter hose at 1.20×10−4 m3/s .

what is the flow speed

Respuesta :

Demiurgos
Demiurgos Demiurgos
  • 04-04-2018
The flow rate is defined as the volume of fluid passing through the area per unit of time.
[tex]Q=\frac{dV}{dt}=\frac{Adl}{dt}=A\frac{dl}{dt}=Av[/tex]
Where A is the surface is the surface area, l is the length of a cylinder, and v is speed flow.
If we solve the equation for speed flow we get:
[tex]v=\frac{Q}{A}[/tex]
[tex]v=\frac{Q}{ \pi r^2}[/tex]
When we plug in the numbers we get:
[tex]v=0.033\frac{m}{s}[/tex]
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