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2. Relativistic speed - Wikipedia

   en.wikipedia.org/wiki/Relativistic_speed

   Relativistic speed refers to speed at which relativistic effects become significant to the desired accuracy of measurement of the phenomenon being observed. Relativistic effects are those discrepancies between values calculated by models considering and not considering relativity . [ 1 ]

3. Relative velocity - Wikipedia

   en.wikipedia.org/wiki/Relative_velocity

   Continuing to work in the (non-relativistic) Newtonian limit we begin with a Galilean transformation in one dimension: [note 2] ′ = ′ = where x' is the position as seen by a reference frame that is moving at speed, v, in the "unprimed" (x) reference frame.

4. List of relativistic equations - Wikipedia

   en.wikipedia.org/wiki/List_of_relativistic_equations

   In this context, "speed of light" really refers to the speed supremum of information transmission or of the movement of ordinary (nonnegative mass) matter, locally, as in a classical vacuum. Thus, a more accurate description would refer to c 0 {\displaystyle c_{0}} rather than the speed of light per se.

5. List of countries by Internet connection speeds - Wikipedia

   en.wikipedia.org/wiki/List_of_countries_by...

   Please help update this article to reflect recent events or newly available information. ( January 2025 ) This is a sortable list of broadband internet connection speed by country, ranked by Speedtest.net data for March 2024, [ 1 ] and with M-Lab data for June 2023 [ 2 ]

6. Lorentz factor - Wikipedia

   en.wikipedia.org/wiki/Lorentz_factor

   Its initial value is 1 (when v = 0); and as velocity approaches the speed of light (v → c) γ increases without bound (γ → ∞). α (Lorentz factor inverse) as a function of velocity—a circular arc. In the table below, the left-hand column shows speeds as different fractions of the speed of light (i.e. in units of c). The middle column ...

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8. Ladder paradox - Wikipedia

   en.wikipedia.org/wiki/Ladder_paradox

   The ladder paradox (or barn-pole paradox) is a thought experiment in special relativity.It involves a ladder, parallel to the ground, travelling horizontally at relativistic speed (near the speed of light) and therefore undergoing a Lorentz length contraction.

9. Broadband mapping in the United States - Wikipedia

   en.wikipedia.org/wiki/Broadband_mapping_in_the...

   Although the term broadband once had a technical meaning, it is used in marketing and policy to generally apply to relatively high data rate (and thus more expensive) Internet access, while technology changes over time. One 2007 estimate used five speed ranges, with the lowest being from 200 kbit/s to 768 kbit/s, and the highest was more than 6 ...