Fluids and gases

Continuity equation

A1v1 = A2v2

A cross-sectional area (πr²), v flow speed

Watch forHalving the radius cuts area to ¼, so speed rises 4×.

Apply it · 2 questions

  1. Continuity equation: velocity in a narrowed vesselFluids and gases · set 1 · easy
  2. Pressure in a narrowed arteryFluids and gases · set 2 · medium