NTNUJAVA Virtual Physics Laboratory
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"Nothing in life is to be feared, it is only to be understood." ..."Marie Curie 1867-1934, Polish born French Physicist, Twice Nobel Prize Winner- Physics and Chemistry)"
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Author Topic: Calculate volumn of sphere: cut it into many disks  (Read 5687 times)
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Fu-Kwun Hwang
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on: January 31, 2010, 12:48:08 pm » posted from:Taipei,T\'ai-pei,Taiwan

The following simulation show how to cut sphere into many cylinders (equal height but different radius).
When the number of cylinder is larger enought, the volume of all cylinders is very close to volume of a sphere.
The slider can be used to change number of cylinders.
V is the volume of the sphere with R=1;
V2 is the sum of all the volume of divided cylinders. \sum \pi r_i^2\,h where h=R/N and r_i=\sqrt{R^2-z_i^2}

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"Nothing in life is to be feared, it is only to be understood." ..."Marie Curie 1867-1934, Polish born French Physicist, Twice Nobel Prize Winner- Physics and Chemistry)"
 
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