Consider a Very Small Hole in the Bottom of a Tank

Multiple Choice

Consider a very small hole in the bottom of a tank that is $17.0 \mathrm {~cm}$ in diameter and filled with water to a height of $90.0 \mathrm {~cm}$ Find the speed at which the water exits the tank through the hole.

A) 4.20 m/s
B) 17.64 m/s
C) 44.1 m/s
D) 48.3 m/s