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  2. IUoU battery charging - Wikipedia

    en.wikipedia.org/wiki/IUoU_battery_charging

    Example charging graph. On the left: per-cell quantities. On the right: example values for a 40 Ah, 6-cell (12 V) battery. Note: schematic illustration; not based on actual measurements. IUoU is a DIN-designation [1] (DIN 41773) for a lead-acid battery charging procedure that is also known as 3-stage charging, 3-phase charging, or 3-step charging.

  3. Speed of electricity - Wikipedia

    en.wikipedia.org/wiki/Speed_of_electricity

    The velocity of electromagnetic waves in a low-loss dielectric is given by [1]: 346 = =.. where = speed of light in vacuum. = the permeability of free space = 4π x 10 −7 H/m.

  4. Online charging system - Wikipedia

    en.wikipedia.org/wiki/Online_charging_system

    The session based charging function (SBCF) is responsible for online charging of network / user sessions, e.g. voice calls, IP CAN bearers, IP CAN session or IMS sessions. [1] Let us consider an example for session-based charging. Utility services like electricity or water is charged based on overall usage, for a certain time duration.

  5. Space Shuttle Columbia disaster - Wikipedia

    en.wikipedia.org/wiki/Space_Shuttle_Columbia...

    At T+81.9 seconds, the foam struck the reinforced carbon–carbon (RCC) panels on Columbia ' s left wing at relative velocity of 625 to 840 feet per second (426 to 573 mph; 686 to 922 km/h). [5]: 34 The foam's low ballistic coefficient caused it to lose speed immediately after separating from the ET, and the orbiter ran into the slower foam.

  6. 0 to 60 mph - Wikipedia

    en.wikipedia.org/wiki/0_to_60_mph

    In the rest of the world, 0 to 100 km/h (0 to 62.1 mph) is used. Present production model performance cars are capable of going from 0 to 60 mph in under 5 seconds, while some exotic supercars can do 0 to 60 mph in between 2 and 3 seconds. Motorcycles have been able to achieve these figures with sub-500cc since the 1990s. [1]

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  8. Spec Ops: The Line - Wikipedia

    en.wikipedia.org/wiki/Spec_Ops:_The_Line

    Struggling to maintain order amid 80 mph (128 km/h) winds, riots, and dwindling resources, the 33rd declared martial law and began committing atrocities on the civilian population. Aggrieved by this, the staff of the 33rd staged a coup d'etat against Konrad but were defeated, while the remnants are branded as "the Exiled".

  9. Wikipedia:Featured article candidates/Featured log/August ...

    en.wikipedia.org/wiki/Wikipedia:Featured_article...

    The rubbing of ice ice crystals against each other (one of the hypothesis explaining charge separation) is an example of triboelectricity. Ruslik_ Zero 12:40, 16 August 2009 (UTC) Right, but as you say, it is one hypothesis, whereas that image caption reads as if it a clear cause. I don't see why mentioning triboelectricity is necessary there.