The figure shows a vessel in the shape of a right circular cone with semi-vertical angle 30°.Water is flowing out of the cone through its apex at a constant rate of π cm^3s^-1.
http://i214.photobucket.com/albums/cc72/yesterday0721/13.jpg
(a)Let V cm^3 be the volume of water in the vessel when the depth of water is hcm.Express V in terms of h
(b)How fast is the water level falling when the depth of water is 4cm?
amaths
2007-11-13 2:22 am
回答 (2)
2007-11-13 2:34 am
✔ 最佳答案
As follows~~~圖片參考：http://i182.photobucket.com/albums/x4/A_Hepburn_1990/ScreenHunter_01Nov121833.jpg?t=1194863663
參考: Myself~~~
2007-11-13 3:10 am
收錄日期: 2021-04-25 21:28:48
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20071112000051KK02490