Answer: 10.79×10^-5 m^2
Explanation:
v2 = 0.94m/s
Cross sectional area(A) = 2 × 10^-4m^2
v1A1 = v2A2 (continuity equation used to compare any two points of the flow of an incompressible fluid. )
A1 = (v2A2) ÷ v1
v1^2 = v2^2 + 2as
v1 = sqrt(v2^2 + 2as)
distance below faucet(s) = 0.11m
Acceleration during to gravity (a) = 9.8m/s^2
Substituting v1 into the continuity equation :
A1 = (v2A2) ÷ sqrt(v2^2 + 2as)
v2A2 = 0.94 × 2 × 10^-4m^2 = 1.88×10^-4
sqrt(0.94^2m/s + (2×9.8m/s^2×0.11m)) =
sqrt(0.8836 + 2.156) = 1.743
A1 = (1.88×10^-4)÷1.743
A1 = 0.000188 ÷ 1.743
A1 = 10.79×10^-5 m^2
WW1 changed american life by Booming the economy allowing for it to make the way of the Roaring 20's with the change created inflation and lots of money plus jobs and other things of sorts...
Answer:
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Russia and Japan hoped it help =)
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