Which of the following is not a property of Ideal (Newtonian) fluids? A. Ideal f

Question

Which of the following is not a property of Ideal (Newtonian) fluids? A. Ideal fluid flow conserves mass. B. Ideal fluid flow is perfectly laminar. C. Ideal fluids are incompressible. D. Ideal fluids are frictionless. E. Ideal fluids are massless. Suppose you have two pistons connected by a tube that holds an ideal fluid. The area of one of the pistons is about 02 square meters and the area of the other is about 30 square meters. If you place a force of 10 newtons on the smaller piston, about how much force is exerted on the larger piston? A. 10 N B. 15 N C. 30 N D. 150 N E. 300 N An ideal fluid is flowing through a pipe at a constant rate of 5 meters per second when in encounters a section of smaller pipe that has a cross-sectional area of about half the original pipe. By how much faster is the fluid flowing? A. Ten times as fast B. Five times as fast C. Twice as fast D. The speed doesn't change E. We have to know things like the density of the fluid to answer this question.

Explanation / Answer

21) Ideal fluid are incompressible

22) 10 / 0.02 = F / 0.3

     F = 150 N

23) a1v1 = a2v2

     twice as fast

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