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September 23, 2014

September 23, 2014

Posted by **AE** on Monday, November 30, 2009 at 9:28pm.

- physics -
**MathMate**, Tuesday, December 1, 2009 at 12:15amThe average head is 10.2-3.9=6.3 m

g=9.8 m/s²

When the area of the orifice is small compared to the tank area, and if the tank is vented, pressure at the water surface equals that of the outlet, then the output velocity is approximately √(2gh).

Volume of discharge

=velocity * area * time

=√(2gh)*2.30×10^−2*2.4

=0.6 m³ approx.

For the derivation of the simplified formula, see:

http://www.engineeringtoolbox.com/bernouilli-equation-d_183.html

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