Gravel is being dumped from a conveyor belt at a rate of 40 …
Gravel is being dumped from a conveyor belt at a rate of 40 cubic feet per minute. It forms a pile in the shape of a right circular cone whose base diameter and height are always equal. How fast is the height of the pile increasing when the pile is 23 feet high? The height of the pile is increasing by ( square ) ( frac{mat{ft}}{min ...