![]() ![]() You can look up people rapid-firing 50 cal rifles from the hip on youtube for an illustration of just how much you can tame the recoil of these guns. We're also not getting into the power of a good muzzle break or the weight of the rifle itself, both of which considerably reduce the felt impulse by the shooter. This is why going from 0 to 100 in a car can either be no big deal (if done over 60 seconds) or kill you six ways from sunday (if done in a few milliseconds when you crash into a wall or something). The exact same momentum, but in the shooter's case it's like getting punched and in the shootee's case it's like getting your torso gummed on by a T-rex. Meaning he's experiencing, over that 110 microsecond period, ~360,000 Netwons of force. ![]() The person getting shot has to make that bullet go from 900 m/s to 0, but he has to do it over say 2 inches of distance or his organs start getting smushed. Meaning the shooter feels over that 1.13 millisecond period of ~36,000 Newtons of force on his shoulder. Meaning the bullet goes from having zero momentum to 41 Newton-seconds in 1.13 milliseconds. 051 meters) and fires a 45 gram bullet that, at the end of that time, is going 900 m/s. The M82 has a barrel length of 20 inches (51 cm. ![]() The killer is not the momentum, but the impulse. It's ridiculously impractical for that purpose. Out of over one million gun murders total. In the entire history of the United States. 50 BMG has not been used in a murder once. It's also worth pointing out that this conversation is pointlessly academic, as. The imparted momentum isn't the problem, it's stopping the penetration of the round. 50 BMG would be so bulky and heavy that you wouldn't be able to move. The real flaw with this scenario is that full body armor required to stop. It's not like getting hit by a tank shell. You're making this out to be some mythical projectile when it's really just a bigger bullet. They are stupidly impractical, but they exist. 50 BMG handguns (and no, I'm not mistakenly referring to. Basic Newton's Third Law.Īlso, there are. If the person firing the round can survive the momentum imparted into their shoulder from the rifle, then the person on the receiving end can survive it if they're wearing armor that spreads out the imparted momentum similarly. ![]()
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