The Density of the Liquid Flowing Through the Horizontal Pipe

question 51

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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Definitions:

Outcome Expectations

The beliefs that carrying out a specific behavior will lead to valued outcomes.

Operant Conditioning

An educational method where the intensity of an action is altered through rewards or penalties.

Positive Punishment

A method of behavior modification that involves the addition of an aversive stimulus in order to decrease a certain behavior.

Negative Punishment

A behavior modification technique where something desirable is removed following an undesired behavior, with the intention of decreasing that behavior.