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← ScienceWhich mechanism delays stable flow establishment in high-viscosity fluids?
A)Momentum diffusivity limits eddy formation✓
B)Increased surface tension stabilizes layers
C)Decreased fluid density lowers inertia
D)Intermolecular cohesion prevents separation
💡 Explanation
Momentum diffusivity dictates how quickly momentum spreads because high viscosity means that momentum transfer is dominated by the viscous forces. Therefore, turbulent flow is suppressed because momentum decays rapidly, rather than cascading into self-sustaining eddies.
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