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  2. Airbus A321 - Wikipedia

    en.wikipedia.org/wiki/Airbus_A321

    [13] [3] The A321-200's length exceeds 44.5 m (146 ft), increasing maximum takeoff weight (MTOW) to 93,000 kg (205,000 lb). [6] Wingspan remained unchanged, supplementing various wingtip devices. Two suppliers provided turbofan engines for the A321: CFM International with its CFM56 and International Aero Engines with the V2500 engine, both in ...

  3. TNT equivalent - Wikipedia

    en.wikipedia.org/wiki/TNT_equivalent

    TNT equivalent is a convention for expressing energy, typically used to describe the energy released in an explosion.The ton of TNT is a unit of energy defined by convention to be 4.184 gigajoules (1 gigacalorie), [1] which is the approximate energy released in the detonation of a metric ton (1,000 kilograms) of TNT.

  4. Kelvin - Wikipedia

    en.wikipedia.org/wiki/Kelvin

    That same year, James Prescott Joule suggested to Thomson that the true formula for Carnot's function was [20] = +, where is "the mechanical equivalent of a unit of heat", [21] now referred to as the specific heat capacity of water, approximately 771.8 foot-pounds force per degree Fahrenheit per pound (4,153 J/K/kg). [22]

  5. M249 light machine gun - Wikipedia

    en.wikipedia.org/wiki/M249_light_machine_gun

    The M240B, however, weighs in at a considerable 27.5 lb (12.5 kg) and is about 49 in (120 cm) long with the standard barrel. NAVSPECWAR was reluctant to give up the increased portability of the M60 (which weighed 22.5 lb (10.2 kg) with an overall length of 37.7 in (96 cm) in its shortest configuration) in spite of the M240B's increased reliability.

  6. Water - Wikipedia

    en.wikipedia.org/wiki/Water

    At 1 atm pressure, it reaches its maximum density of 999.972 kg/m 3 (62.4262 lb/cu ft) at 3.98 °C (39.16 °F). [ 54 ] [ 55 ] Below that temperature, but above the freezing point of 0 °C (32 °F), it expands becoming less dense until it reaches freezing point, reaching a density in its liquid phase of 999.8 kg/m 3 (62.4155 lb/cu ft).

  7. B61 nuclear bomb - Wikipedia

    en.wikipedia.org/wiki/B61_nuclear_bomb

    The original B61-0 weapon was 141.6 inches (3.60 m) long, with a diameter of 13.3 inches (340 mm) and a basic weight of 715 pounds (324 kg) [1] with most later weapons having approximately the same dimensions and weight, [2] except for the Mod 11 version which has a weight of approximately 1,200 pounds (540 kg).

  8. Hulk - Wikipedia

    en.wikipedia.org/wiki/Hulk

    As Bruce Banner, the character is about 5 ft 9 in (1.75 m) tall and weighs 128 lbs (58.05 kg), but when transformed into the Hulk, the character stands between 7 and 8 ft (2.13 - 2.43 m) tall and weighs between 1,040 and 1,400 lbs (471.73 - 635.02 kg).