Unformatted text preview: the wall when the bottom of the ladder is 10 ft from the wall. 5. Sand falls into a conical pile at a rate of 10 cubic feet per minute. If the diameter of the base is 3 times the height, at what rate is the height changing when the pile is 5 feet high? 6. A conical tank with vertex down is 18 feet across the top and 20 feet deep. If water is flowing into the tank at 10 cubic feet per minute, find the rate of change of the depth of the water the instant the water is 8 feet deep....
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- Spring '08
- United States customary units, cubic feet