contestada

The formula d=1/2n+26 relates the nozzles pressure n (in pounds per square inch) of a free hose and the maximum horizontal distance the water reaches d (in feet). How much pressure is needed to reach a fire 50 feet away?

Respuesta :

adioabiola

The pounds of pressure needed to reach a fire 50 feet away is 48 pounds

Formula

d = 1/2n + 26

where

  • n = nozzle pressure in pounds per square feet
  • d = distance the water reaches

If d = 50 feet

d = 1/2n + 26

50 = 1/2n + 26

50 - 26 = 1/2n

24 = 1/2n

n = 24 ÷ 1/2

n = 48 pounds

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