Asked by evan
what would be the change in water speed going from an opening of 10ft height by 25ft width into a tube 5ft height by 18ft width if the water was traveling at 1.2mph?
Answers
Answered by
MathMate
Use continuity considerations, that the quantity of water moved per second is the same in both cross-sections, and ignore hydraulic considerations for simplicity.
10*25 * 1.2 mph = 5*18 * x mph
x = 10*25*1.2/(5*18) = 3.33 mph approx.
10*25 * 1.2 mph = 5*18 * x mph
x = 10*25*1.2/(5*18) = 3.33 mph approx.
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