A student fills a tank of radius r with water to a height of h and pokes a small, 1.0 cm diameter hole at a distance h from the bottom of the tank. The water flows out of the small hole into an empty, 0.2 m-diameter container placed below the tank. The student uses a garden hose to keep the water level in the tank at the original height. a. What is the velocity of the water as it leaves the hole near the bottom of the tank? (4 pts)