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  2. Hydraulic conductivity - Wikipedia

    en.wikipedia.org/wiki/Hydraulic_conductivity

    This procedure allows water to move through the soil under a steady state head condition while the volume of water flowing through the soil specimen is measured over a period of time. By knowing the volume Δ V of water measured in a time Δ t , over a specimen of length L and cross-sectional area A , as well as the head h , the hydraulic ...

  3. Marathon - Wikipedia

    en.wikipedia.org/wiki/Marathon

    Competitors during the 2014 Orlen Warsaw Marathon Aerial view of runners in the Kigali International Peace Marathon in Rwanda, 2019 Participant at the 2016 Boston Marathon. The marathon is a long-distance foot race with a distance of 42.195 kilometres (c. 26 mi 385 yd), [1] usually run as a road race, but the distance can be covered on trail ...

  4. Gallon - Wikipedia

    en.wikipedia.org/wiki/Gallon

    The imperial gill is further divided into five fluid ounces, whereas the US gill is divided into four fluid ounces, meaning an imperial fluid ounce is ⁠ 1 / 20 ⁠ of an imperial pint, or ⁠ 1 / 160 ⁠ of an imperial gallon, while a US fluid ounce is ⁠ 1 / 16 ⁠ of a US pint, or ⁠ 1 / 128 ⁠ of a US gallon. Thus, the imperial gallon ...

  5. Gasoline gallon equivalent - Wikipedia

    en.wikipedia.org/wiki/Gasoline_gallon_equivalent

    One GGE of natural gas is 126.67 cubic feet (3.587 m 3) at standard conditions. This volume of natural gas has the same energy content as one US gallon of gasoline (based on lower heating values: 900 BTU/cu ft (9.3 kWh/m 3) of natural gas and 114,000 BTU/US gal (8.8 kWh/L) for gasoline). [22]

  6. How Long Does It Actually Take to Run a Marathon? Fitness ...

    www.aol.com/long-does-actually-run-marathon...

    Woman getting ready to run a marathon. Running is one of the most popular sports not only in the U.S., but worldwide. Maybe you enjoy running and have thought about training for a marathon.

  7. Miles per gallon gasoline equivalent - Wikipedia

    en.wikipedia.org/wiki/Miles_per_gallon_gasoline...

    AMFA specifies the energy content of 100 cubic feet of natural gas to be equal to 0.823 gallons-equivalent of natural gas, and the gallon equivalency of natural gas is considered to have a fuel content, similar to that for alcohol fuels, equal to 0.15 gallons of fuel.

  8. How long does it take the average person to run a marathon ...

    www.aol.com/news/long-does-average-runner...

    How long does it take to run a marathon? ... Gontang explains it like this: “If you’ve run a half-marathon (21.1 km) in 1:45 and you want to predict your marathon time (42.2 km), plug in the ...

  9. Marathon at the Summer Olympics - Wikipedia

    en.wikipedia.org/wiki/Marathon_at_the_Summer...

    The marathon at the Summer Olympics is the only road running event held at the multi-sport event. The men's marathon has been present on the Olympic athletics programme since the first modern Olympics in 1896. Nearly ninety years later, the women's event was added to the programme at the 1984 Olympics in Los Angeles.