[citation][nom]Anonymous[/nom]Actually, there is some truth to the idea that clones may degrade faster due to problem in the cloning process. Dolly the sheep, for instance, suffered from several disorders in later life that were not due to her genetic code. Other (though not all) clones have suffered similar fates. Yes, clones are genetic twins, but at least two things keep them from being exactly the same. 1) Not all of your DNA is contained within your chromosomes. Mitochondrial DNA is received exclusively from the the mother, and the mother is different than the clone's donor DNA mother. 2) Epigenetics, which concerns the regulatory factors that influence which genes are expressed, in what amounts, for how long, etc. Thus, clones are less similar than, for instance, human identical twins.[/citation]
OK, seriously people, bullets do not impart significant momentum to the body that is struck. The reason comes from a simple fact in physics: momentum is conserved but kinetic energy is not. It doesn't matter how fast a bullet is traveling, or that energy is proportional to square of velocity. Momentum carries no such v^2 and kinetic energy from bullets is almost entirely converted into heat and sound. Good scene in one of the band of brothers movies where a guy is heat by a sniper bullet and just crumples.
The ONLY way a "bullet" would knock you back would be if the bullet was both a: a significant proportion of your weight (it would have to be like over a pound!) and b: completely stopped by your body so that all the momentum was transferred to your body. You can see the problem here - if the bullet is light, it must necessarily be traveling much faster to create enough momentum to knock you over - but such a fast moving object would just pass right through you (leaving a nice hole). No amount of tumbling and expanding, hollow point, etc. will stop a bullet completely. And if the bullet is heavy, then how do you shoot it? From a tank? But you'd have to shoot it at such a low velocity that it would be more liking lobbing than shooting.
I'll pick an extreme example , a .50 cal anti aircraft machine gun bullet: 45 gram projectile moving at 1000 m/s . You weigh 220lbs with your gear (100 Kilos) and get hit with this beast wearing magic body armor. So you and the bullet together will have a new mass of 100.045 kilos and a velocity of (.045100.045) times 1000 m/s = about 1 mph. Now that would be a kick in the pants. You would stumble back at one mph if and only if the bullet was completely stopped by your armor and nothing bounced or ricochet off.