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  2. Equations for a falling body - Wikipedia

    en.wikipedia.org/wiki/Equations_for_a_falling_body

    The first equation shows that, after one second, an object will have fallen a distance of 1/2 × 9.8 × 1 2 = 4.9 m. After two seconds it will have fallen 1/2 × 9.8 × 2 2 = 19.6 m; and so on. On the other hand, the penultimate equation becomes grossly inaccurate at great distances.

  3. Orders of magnitude (length) - Wikipedia

    en.wikipedia.org/wiki/Orders_of_magnitude_(length)

    10.2 meters – length of the Panzer VIII Maus, the world's largest tank; 12 metersheight of the Newby-McMahon Building, the world's littlest skyscraper; 23 metersheight of Luxor Obelisk, located in the Place de la Concorde, Paris, France; 25 meters – wavelength of the broadcast radio shortwave band at 12 MHz

  4. 40-yard dash - Wikipedia

    en.wikipedia.org/wiki/40-yard_dash

    In terms of judging a person's speed, the best method of timing is through lasers which start and stop the times when passed through. A laser start (from a stationary position) is more accurate for measuring pure speed as it does not register a runner's reaction time, however, this method of timing a 40-yard dash can affect the accuracy by as much as 0.5 seconds with the manual stopwatch method.

  5. 400 metres hurdles - Wikipedia

    en.wikipedia.org/wiki/400_metres_hurdles

    The official height of the hurdles was set to 36 inches (91.4 cm). The hurdles are now placed on the course with a run-up to the first hurdle of 45 metres, distance between the hurdles of 35 metres each, and home stretch from the last hurdle to finish line of 40 metres.

  6. Metre per second - Wikipedia

    en.wikipedia.org/wiki/Metre_per_second

    3.2808 The metre per second is the unit of both speed (a scalar quantity ) and velocity (a vector quantity , which has direction and magnitude) in the International System of Units (SI), equal to the speed of a body covering a distance of one metre in a time of one second .

  7. NYT ‘Connections’ Hints and Answers Today, Sunday, December 15

    www.aol.com/nyt-connections-hints-answers-today...

    Today's NYT Connections puzzle for Sunday, December 15, 2024The New York Times. ... 3. A quick way to skim or browse something. 4. Names of popular artists with a specific letter missing.

  8. Sprint (running) - Wikipedia

    en.wikipedia.org/wiki/Sprint_(running)

    The world record in the 100-meter dash in 1924 was 10.4 seconds, while in 1948, (the first use of starting blocks) was 10.2 seconds, and was 10.1 seconds in 1956. The constant drive for faster athletes with better technology has brought man from 10.4 seconds to 9.58 seconds in less than 100 years.

  9. List of unusual units of measurement - Wikipedia

    en.wikipedia.org/wiki/List_of_unusual_units_of...

    In the mid-1960s, to defeat the advantage of the recently introduced computers for the then popular rally racing in the Midwest, competition lag times in a few events were given in centids (1 ⁄ 100 day, 864 seconds, 14.4 minutes), millids (1 ⁄ 1,000 day, 86.4 seconds), and centims (1 ⁄ 100 minute, 0.6 seconds) the latter two looking and ...