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← ScienceWhich outcome occurs when fluid velocity surpasses a pipe's threshold?
A)Transition to turbulent flow occurs✓
B)Viscosity forces become fully dominant
C)Hydrostatic pressure uniformly increases
D)Laminar flow unconditionally remains stable
💡 Explanation
Turbulent flow occurs because exceeding the critical Reynolds number initiates chaotic fluid particle behavior, a mechanism called transition to turbulence; therefore, flow changes from laminar, rather than remaining steady, as viscous forces become insufficient rather than entirely dominant under such conditions.
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