Water is leaking out of the bottom of a barrel at a constant rate. After 3 minutes, the water level is 58 cm. After 8 minutes, the water level is 23 cm.
Water is leaking out of an inverted conical tank at a rate of 0.0142 m3/min. At the same time water is being pumped into the tank at a constant rate. The tank has height 13 meters and the diameter at the top is 3.5 meters. If the water level is rising at a
