The rule that a narrower pipe speeds up an incompressible fluid is the equation of:
AContainment
BContinuity
CContinence
DContingency
Answer & Solution
Correct answer: B. Continuity
1. The same mass must pass every second.
2. Less area means more speed.
3. That rule is the equation of continuity.
_Source: OpenStax University Physics Volume 1, Chapter 14, Fluid Mechanics._
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