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I even found figure exactly for article case which illustrates bullet drop with numbers and is very easy to understand. But i am tired from expert editors. I will present this link if (after checking numbers on figure) you will name yourself ""stupid noob"" and you will stop editing articles in which you are noob. 

Just to prove that wikieditors does not care about wikipedia quality. Thats why wikipedia is so full of shit. 69.141.140.192  "