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Old 03-11-2014, 12:18 AM
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walking buffalo walking buffalo is offline
 
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Quote:
Originally Posted by KBF View Post
Very interesting stuff. I suppose with a formula you could figure out the kinetic energy of the spear. What do you call the projectile?

Here is the study that Albertaatlatl, (maybe should we just call him AA) is talking about.

http://www.thudscave.com/npaa/articles/howhard.htm
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