The formula d=1/2n+26 relates the nozzles pressure n (in pounds per square inch) of a free hose and the maximum horizontal dista
nce the water reaches d (in feet). How much pressure is needed to reach a fire 50 feet away?
1 answer:
The pounds of pressure needed to reach a fire 50 feet away is 48 pounds
<h3>Formula</h3>
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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