Water flows into a conical tank at a rate of 2 ft 3 / min. If the radius of the top of the tank is 4 ft and the height is 6 ft, determine how quickly the water level is rising when the water is 2 ft...

Water flows into a conical tank at a rate of 2 ft³/ min. If the radius of the top of the tank is 4 ft and the height is 6 ft, determine how quickly the water level is rising when the water is 2 ft deep in the tank.