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  2. Mean free time - Wikipedia

    en.wikipedia.org/wiki/Mean_free_time

    Mean free time. Molecules in a fluid constantly collide with each other. The mean free time for a molecule in a fluid is the average time between collisions. The mean free path of the molecule is the product of the average speed and the mean free time. [ 1] These concepts are used in the kinetic theory of gases to compute transport coefficients ...

  3. Mean free path - Wikipedia

    en.wikipedia.org/wiki/Mean_free_path

    Mean free path. In physics, mean free path is the average distance over which a moving particle (such as an atom, a molecule, or a photon) travels before substantially changing its direction or energy (or, in a specific context, other properties), typically as a result of one or more successive collisions with other particles.

  4. Longitude by chronometer - Wikipedia

    en.wikipedia.org/wiki/Longitude_by_chronometer

    Longitude by chronometer is a method, in navigation, of determining longitude using a marine chronometer, which was developed by John Harrison during the first half of the eighteenth century. It is an astronomical method of calculating the longitude at which a position line, drawn from a sight by sextant of any celestial body, crosses the ...

  5. Time-use research - Wikipedia

    en.wikipedia.org/wiki/Time-use_research

    Time-use research is an interdisciplinary field of study dedicated to learning how people allocate their time during an average day. Work intensity is the umbrella topic that incorporates time use, specifically time poverty. The comprehensive approach to time-use research addresses a wide array of political, economic, social, and cultural ...

  6. Proper time - Wikipedia

    en.wikipedia.org/wiki/Proper_time

    Proper time. In relativity, proper time (from Latin, meaning own time) along a timelike world line is defined as the time as measured by a clock following that line. The proper time interval between two events on a world line is the change in proper time, which is independent of coordinates, and is a Lorentz scalar. [ 1]

  7. List of minimum annual leave by country - Wikipedia

    en.wikipedia.org/wiki/List_of_minimum_annual...

    12. 11. 23. Argentina. 14 calendar days (10 working days, from 0 to 5 years seniority), 21 calendar days (15 working days, from 5 to 10 years), 28 calendar days (20 working days, from 10 to 20 years) and 35 calendar days (25 working days, from 20 years). Employers can decide unilaterally when the leave days are taken.

  8. Hindu units of time - Wikipedia

    en.wikipedia.org/wiki/Hindu_units_of_time

    Hindu units of time are described in Hindu texts ranging from microseconds to trillions of years, including cycles of cosmic time that repeat general events in Hindu cosmology. [ 1][ 2] Time ( kāla) is described as eternal. [ 3] Various fragments of time are described in the Vedas, Manusmriti, Bhagavata Purana, Vishnu Purana, Mahabharata ...

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