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  2. History of YouTube - Wikipedia

    en.wikipedia.org/wiki/History_of_YouTube

    YouTube would give free access to its users, the more users, the more profit it can potentially make because it can in principle increase advertisement rates and will gain further interest of advertisers. [339] YouTube would sell its audience that it gains by free access to its advertising customers. [339]: 181

  3. Gravity of Earth - Wikipedia

    en.wikipedia.org/wiki/Gravity_of_Earth

    It does not include the reduction of constraint force that we perceive as a reduction of gravity due to the rotation of Earth, and some of gravity being counteracted by centrifugal force. There are significant uncertainties in the values of r and m 1 as used in this calculation, and the value of G is also rather difficult to measure precisely.

  4. Standard gravity - Wikipedia

    en.wikipedia.org/wiki/Standard_gravity

    The standard acceleration of gravity or standard acceleration of free fall, often called simply standard gravity and denoted by ɡ 0 or ɡ n, is the nominal gravitational acceleration of an object in a vacuum near the surface of the Earth.

  5. Wikipedia - Wikipedia

    en.wikipedia.org/wiki/Wikipedia

    Wikipedia is the largest and most-read reference work in history, [3] [4] and is consistently ranked among the ten most visited websites; as of August 2024, it was ranked fourth by Semrush, [5] and seventh by Similarweb. [6]

  6. Gravity - Wikipedia

    en.wikipedia.org/wiki/Gravity

    In physics, gravity (from Latin gravitas 'weight' [1]) is a fundamental interaction primarily observed as mutual attraction between all things that have mass.Gravity is, by far, the weakest of the four fundamental interactions, approximately 10 38 times weaker than the strong interaction, 10 36 times weaker than the electromagnetic force and 10 29 times weaker than the weak interaction.

  7. English language - Wikipedia

    en.wikipedia.org/wiki/English_language

    English does not belong to just one country, and it does not belong solely to descendants of English settlers. English is an official language of countries populated by few descendants of native speakers of English.

  8. Pi - Wikipedia

    en.wikipedia.org/wiki/Pi

    The number π (/ p aɪ /; spelled out as "pi") is a mathematical constant, approximately equal to 3.14159, that is the ratio of a circle's circumference to its diameter.It appears in many formulae across mathematics and physics, and some of these formulae are commonly used for defining π, to avoid relying on the definition of the length of a curve.

  9. List of countries by life expectancy - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by_life...

    Only countries with populations over 50,000 are listed. Due to this criterion, the table does not include such countries as Monaco (LE 86.37 years, population 39,000), San Marino (LE 85.71 years, population 34,000), and Saint Barthélemy (LE 84.29 years, population 11,000). The values are rounded, all calculations were done on raw data.