A stiff, 10-cm-long tube with an inner diameter of (3.0 mathrm{~mm}) is attached to a small hole

Question:

A stiff, 10-cm-long tube with an inner diameter of $3.0 \mathrm{~mm}$ is attached to a small hole in the side of a tall beaker. The tube sticks out horizontally. The beaker is filled with $20^{\circ} \mathrm{C}$ water to a level $45 \mathrm{~cm}$ above the hole, and it is continually topped off to maintain that level. What is the volume flow rate through the tube?

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