In: Physics
Fire hoses used in major structural fires have an inside
diameter of 6.40 cm.
Suppose such a hose carries an inital flow of 40.0 L/s at ground
level, starting at
a gauge pressure of 1.62 x 106 N/m2. The hose rises up 10.0 m along
a ladder
to a nozzle having an inside diamter of 3.00 cm. (Hint use
Bernoulliʻs equation)
1)Draw a diagram of what is happening?
2)What is the speed at v1 and v2 in m/s?
3)What is the pressure in the nozzle at p2?
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