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  2. Knot (unit) - Wikipedia

    en.wikipedia.org/wiki/Knot_(unit)

    1.15078 miles per hour (approximately), 20.25372 inches per second (approximately) 1.68781 feet per second (approximately). The length of the internationally agreed nautical mile is 1 852 m. The US adopted the international definition in 1954, having previously used the US nautical mile (1 853.248 m). [6]

  3. Performance Handicap Racing Fleet - Wikipedia

    en.wikipedia.org/wiki/Performance_Handicap...

    The handicap number assigned to a class of yachts is based on the yacht's speed relative to a theoretical yacht with a rating of 0. A yacht's handicap, or rating, is the number of seconds per mile traveled that the yacht in question should be behind the theoretical yacht.

  4. Square yard - Wikipedia

    en.wikipedia.org/wiki/Square_yard

    Comparison of 1 square yard with some Imperial and metric units of area The square yard ( Northern India : gaj , Pakistan : gaz ) is an imperial unit and U.S. customary unit of area . It is in widespread use in most of the English -speaking world, particularly the United States, United Kingdom, Canada, Pakistan and India.

  5. Glossary of motorsport terms - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_motorsport_terms

    In drag racing, referring to distance from the 1/8-mile mark to the 1/4-mile mark of the track. backmarker A slower car, usually in the process of being lapped by the leaders. It is also used to describe teams that consistently perform poorly. [9] [10] backup car See spare car. bag of donuts In drag racing, a perfect reaction time of .000 ...

  6. Units of measurement in transportation - Wikipedia

    en.wikipedia.org/wiki/Units_of_measurement_in...

    vehicle-kilometre (vkm [1]) as a measure of traffic flow, determined by multiplying the number of vehicles on a given road or traffic network by the average length of their trips measured in kilometres. [2] vehicle-mile (vehicle miles traveled, or VMT [1]) same as before but measures the trip expressed in miles.

  7. Airspeed indicator - Wikipedia

    en.wikipedia.org/wiki/Airspeed_indicator

    An aeroplane can stall at any speed, so monitoring the ASI alone will not prevent a stall. The critical angle of attack (AOA) determines when an aircraft will stall. For a particular configuration, it is a constant independent of weight, bank angle, temperature, density altitude , and the center of gravity of an aircraft .

  8. Tire code - Wikipedia

    en.wikipedia.org/wiki/Tire_code

    1- or 2-digit/letter combination: Speed rating; see table below. Additional marks: see subheading below. As an example, if a tire size has two sets of numbers (6-12, 5.00-15, 11.2-24), then the first number ( 5.00 -15) is the approximate width in inches, and the second number (5.00- 15 ) is the rim diameter in inches.

  9. Orders of magnitude (speed) - Wikipedia

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

    The top speed of a sloth. 10 −1: 0.2778: 1: 0.6214: 9.2657 × 10 −10: 1 km/h. 0.44704: 1.609344: 1: 1.4912 × 10 −9: 1 mph. 0.5144: 1.852: 1.151: 1.716 × 10 −9: 1 knot (nautical mile per hour) 10 0: 1.2: 4.32: 2.68: 4 × 10 −9: Typical scanning speed of an audio compact disc; the speed of signals (action potentials) traveling along ...