The Density of the Liquid Flowing Through the Horizontal Pipe

question 1

Multiple Choice

The density of the liquid flowing through the horizontal pipe in the drawing is 1200 kg/m³.The speed of the fluid at point A is 7.5 m/s while at point B it is 11 m/s.What is the difference in pressure,P_B - P_A,between points B and A?

• A)-1.9 × 10³ Pa
• B)+3.8 × 10³ Pa
• C)-2.5 × 10⁴ Pa
• D)+5.0 × 10⁴ Pa
• E)-3.9 × 10⁴ Pa

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