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QUESTION
a student is using a straw to drink from a conical paper cup, whose axis is vertical, at a rate of 2 cubic centimeters per second.
a student is using a straw to drink from a conical paper cup, whose axis is vertical, at a rate of 2 cubic centimeters per second. if the height of the cup is 15 centimeters and the diameter of the opening is 6 centimeters, how fast os the level of the liquid falling when the depth of the liquid is 7 centimeters?
