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← ScienceWhich risk increases when a fluid's velocity exceeds levels predicted by a simplified Bernoulli equation?
A)Laminar flow destabilizes gradually
B)Viscosity perfectly offsets inertia
C)Turbulence initiates, increasing drag✓
D)Pressure gradients stay time-invariant
💡 Explanation
When actual velocity exceeds ideal Bernoulli predictions, turbulence initiates because inertial forces become dominant driving flow instabilities--a phenomenon not captured by the laminar assumptions within the equation. Therefore, flow drag rises rapidly with Reynolds number rather than adhering streamlines.
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