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A rectangular trough, 2.0 m long, 0.70 m wide, and 0.45 m deep, is completely full of water. one end of the trough has a small drain plug right at the bottom edge. part a when you pull the plug, at what speed does water emerge from the hole? express your answer using two significant figures.

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nobillionaireNobley
Given that a rectangular trough, 2.0 m long, 0.70 m wide, and 0.45 m deep, completely full of water is connected to a small drain plug right at the bottom edge

If the plug is pulled, the speed at which water emerges from the hole is given by

[tex]V=\sqrt{2gh} \\ \\ =\sqrt{2\times9.8\times0.45} \\ \\ =\sqrt{8.82}=3.0m/s[/tex]

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