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  2. Muzzle energy - Wikipedia

    en.wikipedia.org/wiki/Muzzle_energy

    Also the muzzle energy is only an upper limit for how much energy is transmitted to the target, and the effects of a ballistic trauma depend on several other factors as well. There is wide variation in commercial ammunition. A 180 gr (12 g) bullet fired from .357 Magnum handgun can achieve a muzzle energy of 580 ft⋅lbf (790 J). A 110 gr (7.1 ...

  3. Kinetic energy weapon - Wikipedia

    en.wikipedia.org/wiki/Kinetic_energy_weapon

    Sample from a kinetic energy weapon test. A piece of polycarbonate plastic weighing 7 grams (1 ⁄ 4 oz) was fired at an aluminium block at 7 km/s (23,000 ft/s), giving it muzzle energy of 171,500 J (126,500 ft⋅lbf); a typical bullet has muzzle energy of a few thousand joules, with the enormous .950 JDJ reaching 20,000 J (15,000 ft⋅lbf).

  4. Internal ballistics - Wikipedia

    en.wikipedia.org/wiki/Internal_ballistics

    With the low burning speed of black powder, the best efficiency was achieved with large, heavy bullets, so the bullet was the largest practical diameter. The large diameter allowed a short, stable bullet with high weight, and the maximum practical bore volume to extract the most energy possible in a given length barrel. There were a few ...

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  6. Muzzle velocity - Wikipedia

    en.wikipedia.org/wiki/Muzzle_velocity

    For projectiles in unpowered flight, its velocity is highest at leaving the muzzle and drops off steadily because of air resistance.Projectiles traveling less than the speed of sound (about 340 m/s (1,100 ft/s) in dry air at sea level) are subsonic, while those traveling faster are supersonic and thus can travel a substantial distance and even hit a target before a nearby observer hears the ...

  7. This Olympian's Shift Towards Sobriety Helped Her Reach Her ...

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    For premium support please call: 800-290-4726 more ways to reach us. ... be it in the form of total abstinence or simple moderation. ... energy, and general physical function.” ...

  8. California man accused of shipping guns, ammunition and ...

    www.aol.com/california-man-accused-shipping-guns...

    Shenghua Wen, a 41-year-old Chinese national illegally living in Ontario, California, is accused of shipping guns and ammunition to North Korea.

  9. Ballistics - Wikipedia

    en.wikipedia.org/wiki/Ballistics

    Ballistics can be studied using high-speed photography or high-speed cameras. A photo of a Smith & Wesson revolver firing, taken with an ultra high speed air-gap flash. Using this sub-microsecond flash, the bullet can be imaged without motion blur. Ballistics is often broken down into the following four categories: [23]

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