Editing 969: Delta-P
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Putting this together and changing the cross-sectional area to a rectangular area <math>A</math> we get the formula used by Randall: | Putting this together and changing the cross-sectional area to a rectangular area <math>A</math> we get the formula used by Randall: | ||
:<math>Q_\max{} = A \sqrt{2 g h}</math> | :<math>Q_\max{} = A \sqrt{2 g h}</math> | ||
− | Assuming the wardrobe is two meter high and one in width (''A = 2 m<sup>2</sup>'') and using the gravitational constant ''g = 9.81 m/s<sup>2</sup>'' the flow rate is 396 m<sup>3</sup> per second, or roughly 400 | + | Assuming the wardrobe is two meter high and one in width (''A = 2 m<sup>2</sup>'') and using the gravitational constant ''g = 9.81 m/s<sup>2</sup>'' the flow rate is 396 m<sup>3</sup> per second, or roughly 400.000 liters per second. |
The water jet velocity ''v'' is based on {{w|Torricelli's law}}: | The water jet velocity ''v'' is based on {{w|Torricelli's law}}: | ||
:<math>v=\sqrt{{2 g}{h}}</math> | :<math>v=\sqrt{{2 g}{h}}</math> |