ion of the stream near the hole reduce the volume of water leaving the tank per second to CA,,√2gh, where m the tank in terms of the height of the water h. erms of the height of the water h and the rate of change of the volume of the water. water h (in ft/s in terms of h) at time t > 0. The radius of the hole is 6 in., g = 32 ft/s2, and the friction/contraction one is of negligible height and volume.)