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The joule (/ dʒ uː l / JOOL, or / dʒ aʊ l / JOWL; symbol: J) is the unit of energy in the International System of Units (SI). [1] In terms of SI base units, one joule corresponds to one kilogram-square metre per square second (1 J = 1 kg⋅m 2 ⋅s −2).
List of orders of magnitude for energy; Factor (joules) SI prefix Value Item 10 −34: 6.626 × 10 −34 J: Energy of a photon with a frequency of 1 hertz. [1]8 × 10 −34 J: Average kinetic energy of translational motion of a molecule at the lowest temperature reached (38 picokelvin [2] as of 2021)
Projectile dimension: 450 mm 12: 1 L/d - including 250 mm core; Projectile weight (including sabot): 6.55 kg; Projectile weight: 4.85 kg; Muzzle velocity: 1700 m/s; Muzzle energy: 7.0 MJ; Penetration: 360 mm at 0° at 2000 m, 210 mm at 60° at 2000 m [citation needed]
This is a list of firearm cartridges which have bullets in the 12 millimetres (0.47 in) to 12.99 millimetres (0.511 in) caliber range.. Length refers to the cartridge case length.
tech: electric power output of 1 m 2 solar panel in full sunlight (approx. 12% efficiency), at sea level 1.3 × 10 2: tech: peak power consumption of a Pentium 4 CPU 2 × 10 2: tech: stationary bicycle average power output [17] [18] 2.76 × 10 2: astro: fusion power output of 1 cubic meter of volume of the Sun's core. [19] 2.9 × 10 2: units ...
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Barrett Firearms Manufacturing was founded by Ronnie Barrett for the sole purpose of building semi-automatic rifles chambered for the powerful 12.7×99mm NATO (.50 BMG) ammunition, originally developed for and used in M2 Browning machine guns.
The "kiloton (of TNT equivalent)" is a unit of energy equal to 4.184 terajoules (4.184 × 10 12 J). [2] A kiloton of TNT can be visualized as a cube of TNT 8.46 metres (27.8 ft) on a side. The " megaton (of TNT equivalent)" is a unit of energy equal to 4.184 petajoules ( 4.184 × 10 15 J ).