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The bullet from gun #1 is twice as heavy as the bullet from gun #2. The bullet from gun #1 is twice as heavy as the bullet from gun #2. The speed at which a projectile must travel to penetrate skin is 163 fps and to break bone is 213 fps, both of which are quite low, so other factors are more important in producing damage. Which statement is true? In fact, real gunshot victims relate that they had no immediate reaction. This is the bullet's energy as it leaves the muzzle, but the ballistic coefficient (BC) will determine the amount of KE delivered to the target as air resistance is encountered. Casting Your Own Bullets for Lever-Action Rifles, Franchi Momentum Elite Bolt-Action Rifle in Varmint Configurations, SIG Sauer P365 Pistol Now Offered in .380, Savage Model 110 Timberline 6.5 Creedmoor Rifle: Full Review, A World Record Attempt: Practice Round and Media Day, Interview with Israeli Defense Forces, Part 1. (This simplified example illustrates the principle of ballistocardiography, but in practice a more sophisticated model of heart function is used.). Can I use the spell Immovable Object to create a castle which floats above the clouds? If two identical balls were dropped from the same height, but one of them was given a push to the side also, which would hit the ground first and why? Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Shock waves - Shock waves compress the medium and travel ahead of the bullet, as well as to the sides, but these waves last only a few microseconds and do not cause profound destruction at low velocity. All Shooting Times subscribers now have digital access to their magazine content. Joseph Von Benedikt shows his custom 500 and how well it shoots. The flight path of a bullet includes: travel down the barrel, path through the air, and path through a target. . The bullet from gun #1 is twice as heavy as the bullet from gun #2. : What is the momentum of the gun and bullet before it is fired? The last of these factors is a function of barrel length. The ratio of the momentum imparted to gun #1 to that imparted to gun #2 is: a) 2:3 b) 3:2 c) 2:1 d) 3:1 e) 6:1 Advertisement wagonbelleville Answer: (1)It is certainly possible to aim better than that - but it's not easy. What positional accuracy (ie, arc seconds) is necessary to view Saturn, Uranus, beyond? $$ \vec{V_b}' = \vec{a_b}$$ p is the density of the medium (tissue density is >800 times that of air), d is the diameter (caliber) of the bullet, and v the velocity. Then I'll write the full differential equations for the problem in some fairly extreme vector shorthand notation. (Ragsdale, 1984), However, there is a myth, kept alive by portrayals of shooting victims on television and in films being hurled backwards, that victims are actually "knocked down" or displaced by being struck with the force of a bullet. Which was the first Sci-Fi story to predict obnoxious "robo calls"? methane (Velocity and Acceleration of a Tennis Ball), Finding downward force on immersed object. Yaw and precession decrease as the distance of the bullet from the barrel increases. Pellets, being spherical, are poor projectiles, and most small pellets will not penetrate skin after 80 yards. Its commercial counterpart, the Colt New Service in .45 Colt, has throat lengths of 0.411 inch, or 25 percent of total cylinder length. Also, the TMJ reduces the amount of lead contaminants expelled into the air, which is an advantage in indoor ranges. b) 14resistance More powder can also be used in rifle cartridges because the bullet chambers can be designed to withstand greater pressures (50,000 to 70,000 for rifles psi vs. 30,000 to 40,000 psi for handgun chamber). The ratio of the momentum imparted to gun #1 to that imparted to gun #2 is: See answers Advertisement tochjosh Answer: For comparison, that's approximately the size of the "9" target area for the 10 m air rifle competition at the Olympics to score a "10" you need to hit the dot in the middle, which means, with a 4.5 mm calibre, that you have a 4.5 mm tolerance. particle is x =7. Hopefully I've formalized a little bit exactly when this is true. If a rifle is "sighted in" for a 100 yard target, it will shoot noticably lower (roughly 4 inches lower for a medium power rifle) on a 200 yard target. Bullet speed would fairly be $V_p=500 m/s$. The ratio of the momentum imparted to gun #1 to that imparted to gun #2 is: A)2:3 B)3:2 C)2:1 D)3:1 E)6:1 9. Two bullets having different masses, fired at the same time with the same kinetic energy, will have the same velocity. Federal has created a safer, easier and more reliable way to shoot a muzzleloader. Bullets from two revolvers are fired with the same velocity. So the differences for the 21/2 difference in barrel length were 136 fps, 144 fps and 153 fps . We can write the mass of the bullet and gun from #1 in terms of #2. If a rainstorm drops 1 cm of rain over an area of 10km2 in the period of 1 hour, what is the momentum of the rain that falls in one second? Can a bullet fired into the air kill someone when it comes down? This, A: Given : Total charge of spherical shell = 6 nC For example, a skeet shooter trying to hit the clay pigeon wants many smaller pellets capable of hitting the target at a shorter range, while a deer hunter wants larger pellets capable of inflicting greater damage at longer range. Bullet area we'll take as $A=0.2 m^2$. The acceleration due to the motion of the Earth is $\frac{v^2}{R_E}$, or about 0.033 m/s$^2$ which is about 1/300th of the acceleration due to gravity. All Rights Reserved.