PnCalcuator Periodic Table ion 25 of 25 Map 3 Sapling Learning of airplanes. Usi

Question

PnCalcuator Periodic Table ion 25 of 25 Map 3 Sapling Learning of airplanes. Using two ref planes, an Airco DH-4B biplane was able to remain in flight for 36 hours During the flight, the refueling planes were able to air-transfer a total of 687 gallons of fuel to the plane in 9 refueling transfers. Assume that the refueling nozzle had a diameter of 1.25 inches and each refueling took 2.51 minutes to pertorm Calculate the velocity of the fuel through the nozzle. Assume that the fuel flled the entire cross- sectional area of the nozzle. Number m/s O Previous Give Up & View Solution 9 Check Answer Next-) Ext F6 F2

Explanation / Answer

V = 687 galloons = 2.6 m3

t = (2.51 * 60 ) * 9 = 1355.4 s

d = 1.25 inches = 0.03175 m

A = pi r2 = pi (0.03175/2)2 = 7.92 * 10-4 m2

V = A v t

2.6 = (7.92 * 10-4 * v * 1355.4)

v = 2.6 / (7.92 * 10-4 * 1355.4)

v = 2.42 m/s

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