Thread: Easy questions
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Old 2005-09-08, 11:21   #15
cheesehead
 
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"Richard B. Woods"
Aug 2002
Wisconsin USA

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Quote:
Originally Posted by THILLIAR
The upper ball is always centered over the centroid of the equilateral triangle formed by the centers of the lower three balls THAT ARE TOUCHING?
Yes

Quote:
How would one compensate for such a problem, mathamatically?
I'm not sure what you mean by "compensate" in that question. wblipp already posted the math.

Perhaps what you need is a diagram. I did a brief search and found http://www.chem.ox.ac.uk/icl/heyes/s...1.html#anchor4
Look under "CLOSE PACKING OF SPHERES".

And this: http://www.math.binghamton.edu/zasla....20040406.html

Last fiddled with by cheesehead on 2005-09-08 at 11:26
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