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Physics of firearms. From the viewpoint of physics (dynamics, to be exact), a firearm, as for most weapons, is a system for delivering maximum destructive energy to the target with minimum delivery of energy on the shooter. [citation needed] The momentum delivered to the target, however, cannot be any more than that (due to recoil) on the shooter.
In ballistics, the ballistic coefficient (BC, Cb) of a body is a measure of its ability to overcome air resistance in flight. [ 1 ] It is inversely proportional to the negative acceleration: a high number indicates a low negative acceleration—the drag on the body is small in proportion to its mass.
Recoil is explained by the law of conservation of momentum, and so it is easier to discuss it separately from energy. Momentum is simply mass multiplied by velocity. Velocity is speed in a particular direction (not just speed). In a very technical sense, speed is a scalar (mathematics): a magnitude; while velocity is a vector (physics ...
The North American F-86 Sabre, sometimes called the Sabrejet, is a transonic jet fighter aircraft.Produced by North American Aviation, the Sabre is best known as the United States' first swept-wing fighter that could counter the swept-wing Soviet MiG-15 in high-speed dogfights in the skies of the Korean War (1950–1953), fighting some of the earliest jet-to-jet battles in history.
The 5.56×45mm NATO (official NATO nomenclature 5.56 NATO, commonly pronounced FYV-fyv-six) is a rimless bottlenecked centerfire intermediate cartridge family developed in the late 1970s in Belgium by FN Herstal. [ 5 ] It consists of the SS109, L110, and SS111 cartridges.
USS Forrest Sherman in 2007, test firing her new 5"/62-caliber Mark 45 Mod 4 gun, located forward of her 32-cell missile pack module. Located on the forward deck is the 5-inch (127 mm) Mark 45 gun. Directed by the Mark 34 Gun Weapon System, it can be used in anti-ship, anti-air, and naval gunfire support (NGFS) roles. It can fire 16–20 rounds ...
t. e. Forensic firearm examination is the forensic process of examining the characteristics of firearms or bullets left behind at a crime scene. Specialists in this field try to link bullets to weapons and weapons to individuals. They can raise and record obliterated serial numbers in an attempt to find the registered owner of a weapon and look ...
Kalibr (missile family) The Novator Kalibr (Калибр, caliber), also referred to as 3M54-1 Kalibr, 3M14 Biryuza (Бирюза, turquoise), (NATO reporting name SS-N-27 Sizzler and SS-N-30A) is a family of Russian cruise missiles developed by NPO Novator (OKB-8). It first saw service in 1994. There are ship-launched, submarine-launched and ...
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