Sand is poured onto a surface at 11 cm/sec, forming a conical pile whose base diameter...

 

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Sand is poured onto a surface at 11 cm/sec, forming a conical pile whose base diameter is always equal to its altitude. 1 How fast is the altitude of the pile increasing when the pile is 4 cm high? Note that the volume of a cone isrh where r is the radius of the base and h is the height of the cone. Sand is poured onto a surface at 11 cm/sec, forming a conical pile whose base diameter is always equal to its altitude. 1 How fast is the altitude of the pile increasing when the pile is 4 cm high? Note that the volume of a cone isrh where r is the radius of the base and h is the height of the cone.