vault backup: 2026-08-21 11:27:13

2026-08-21 11:27:14 -04:00
parent 676f3f72dd
commit e4b3f3c32d
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 # Summary
 * Pressure difference between fluids causes flow.
-* $A_1v_1=A_2v_2$ expresses conservation of mass. Narrow area force faster speeds to incompressible fluids.
+* Continuity equation: $A_1v_1=A_2v_2$ expresses conservation of mass. Narrow area force faster speeds to incompressible fluids.
 * Bernoulli's equation: $P_1+pgy_1+\frac{1}{2}pv_1^2=P_1+pgy_2+\frac{1}{2}pv_2^2$ expresses conservation of energy along a streamline.
 * Faster fluid has lower pressure and vice versa
 * Torricelli's theorem: $v=\sqrt{2g\Delta y}$ is derived from energy conservation and gives exit speed of draining fluid.