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  1. en.wikipedia.org › wiki › MomentumMomentum - Wikipedia

    15 godz. temu · In Newtonian mechanics, momentum (pl.: momenta or momentums; more specifically linear momentum or translational momentum) is the product of the mass and velocity of an object. It is a vector quantity, possessing a magnitude and a direction. If m is an object's mass and v is its velocity (also a vector quantity), then the object's momentum p (from Latin pellere "push, drive") is: =.

  2. 15 godz. temu · Definition and basic operations Various complex numbers depicted in the complex plane. A complex number is an expression of the form a + bi, where a and b are real numbers, and i is an abstract symbol, the so-called imaginary unit, whose meaning will be explained further below.For example, 2 + 3i is a complex number. For a complex number a + bi, the real number a is called its real part, and ...

  3. en.wikipedia.org › wiki › Human_eyeHuman eye - Wikipedia

    15 godz. temu · The human eye is an organ of the sensory nervous system that reacts to visible light and allows the use of visual information for various purposes including seeing things, keeping balance, and maintaining circadian rhythm.. Arizona Eye Model. "A" is accommodation in diopters. The eye can be considered as a living optical device.It is approximately spherical in shape, with its outer layers ...

  4. en.wikipedia.org › wiki › MeditationMeditation - Wikipedia

    15 godz. temu · Meditation is a practice in which an individual uses a technique to train attention and awareness and detach from reflexive, "discursive thinking," achieving a mentally clear and emotionally calm and stable state, while not judging the meditation-proces itself.. Techniques are broadly classified into focused (or concentrative) and open monitoring methods.

  5. 15 godz. temu · Transhumanism is a philosophical and intellectual movement that advocates the enhancement of the human condition by developing and making widely available new and future technologies that can greatly enhance longevity, cognition, and well-being.. Transhumanist thinkers study the potential benefits and dangers of emerging technologies that could overcome fundamental human limitations, as well ...

  6. en.wikipedia.org › wiki › DemocracyDemocracy - Wikipedia

    15 godz. temu · Democracy (from Ancient Greek: δημοκρατία, romanized : dēmokratía, dēmos 'people' and kratos 'rule') [1] is a system of government in which state power is vested in the people or the general population of a state. [2] [3] Under a minimalist definition of democracy, rulers are elected through competitive elections while more ...

  7. en.wikipedia.org › wiki › RomaniaRomania - Wikipedia

    15 godz. temu · Romania is a country located at the crossroads of Central, Eastern, and Southeast Europe. It borders Ukraine to the north and east, Hungary to the west, Serbia to the southwest, Bulgaria to the south, Moldova to the east, and the Black Sea to the southeast. It has a predominantly continental climate, and an area of 238,397 km 2 (92,046 sq mi) with a population of 19 million people (2023).