flow problem

[drgshahbaz1193]

With the question with the pipe with three different cross sectional areas Dr. F askes which would have the greatest flow. I would think that it would be the section of the tube with the greatest cross sectional area. I am having a problem with how they are equal when they clearly have different sizes.

Also what exactly is the cross sectional area of the tube. Thanks a lot.

[mcat_premed3832]

cross sectional area of a tube or pipe just makes a circle: http://www.berkeleyscience.com/images/wavemodel.jpg

For example, an artery: http://learn.uci.edu/oo/getOCWPage.php?course=OC0811004&lesson=006&topic=013&page=45

Flow is defined as volume per unit time = vol/t.

If you have a large volume it takes a large amount of time, small volume, small amount and medium . . . you get the idea. The ratio stays the same.