Unformatted text preview: 5. If the work required to stretch a spring 1 ft beyond its natural length is 12 ft-lb, how much work is needed to stretch it 9 in beyond its natural length? Optional: A coﬀee ﬁlter is in the shape of a inverted circular cone with radius 5 cm and height 10 cm. When it is ﬁlled with water to a height h cm, the rate at which coﬀee ﬂows out the hole at the bottom is given by h 2 cm 3 /sec. Suppose the coﬀee ﬁlter starts full. Find the time it takes for the coﬀee ﬁlter to empty....
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This note was uploaded on 12/27/2011 for the course MATH 5B taught by Professor Rickrugangye during the Fall '07 term at UCSB.
- Fall '07