作者APOW1204 (ㄚ 炮)
看板trans_math
标题一题题目
时间Sat Sep 10 15:19:55 2005
A water tank has the shape obtained by revolving the curve y=x^(4/3) (for x>0)
around the y-axis. A plug in the bottom is removed at 12 noon, when the depth
of water in the tank is 16 ft. At 2 P.M. the depth of the water is 7 ft. How many
minutes will it take the tank to empty
请各位帮忙算一下，感激~~
我算的数字怪怪的所以麻烦大家一下罗!!!
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