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?
2007-11-12 13:22:01 · 2 個解答 · 發問者 Dde 1 in 科學 ➔ 數學
As follows~~~
圖片參考：http://i182.photobucket.com/albums/x4/A_Hepburn_1990/ScreenHunter_01Nov121833.jpg?t=1194863663
2007-11-12 13:34:31 · answer #1 · answered by Audrey Hepburn 7 · 0⤊ 0⤋
As follows~~~
圖片參考：http://i182.photobucket.com/albums/x4/A_Hepburn_1990/ScreenHunter_01Nov121833.jpg?t=1194863663
圖片參考：http://www.cathvoice.org.tw/x-mas/pic/tree/t014.gif
2007-11-12 14:10:52 · answer #2 · answered by S.S. 7 · 0⤊ 0⤋