(Solved): Gravel is being dumped from a conveyor belt at a rate of 20 ft3/min, and its coarseness is such tha ...

Gravel is being dumped from a conveyor belt at a rate of 20 ft3/min, and its coarseness is such that it forms a pile in the shape of a cone whose base diameter and height are always equal. How fast is the height of the pile increasing when the pile is 9 ft high? (Round your answer to two decimal places.) 0.0523 X ft/min CCCCCD