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An exhausted U.S. Marine exhibits the thousand-yard stare after two days of constant fighting at the Battle of Eniwetok, February 1944. The thousand-yard stare (also referred to as two-thousand-yard stare) is a phrase often used to describe the blank, unfocused gaze of people experiencing dissociation due to acute stress or traumatic events.
For example, in 1980, high schools converted their running distances from Imperial (yards) to metric, but instead of running conventional international distances like 1500 metres in place of the mile run, a more equitable but non-standard 1600 meters was chosen. For the two-mile run, they run 3200 meters.
The basic unit of length in the imperial and U.S. customary systems is the yard, defined as exactly 0.9144 m by international treaty in 1959. [2] [5] Common imperial units and U.S. customary units of length include: [6] thou or mil (1 ⁄ 1000 of an inch) inch (25.4 mm) foot (12 inches, 0.3048 m) yard (3 feet, 0.9144 m)
Middle-distance running events are track races longer than sprints, ranging from 500 metres up to two miles (3218.688 metres). The standard middle distances are the 800 metres, 1500 metres and mile run, although the 3000 metres may also be classified as a middle-distance event. [1] The 1500 m came about as a result of running 3⁄ laps of a 400 ...
Contents. List of United States records in track and field. Tyson Gay currently holds the national record for the 100 m. The following are the national records in track and field in the United States. Some of the records are maintained by USA Track & Field (USATF). Outdoor times for track races between 200 meters to 10,000 meters are set on 400 ...
The 1000 metres, 1 kilometer run, or 1K run is an uncommon middle-distance running event in track and field competitions. The 1000 yards , an imperial alternative, was sometimes also contested. [ 1 ] [ 2 ]
It is widely accepted within interdisciplinary circles that for a standard rifle firing full-powered cartridges (e.g. .308 Winchester), "long range" means the target is more than 600 m (660 yd) away, [citation needed], while "extreme long range" is generally accepted as when the target distance is more than 1,000 m (1,100 yd) away from the shooter.
The metre (or meter in US spelling; symbol: m) is the base unit of length in the International System of Units (SI). Since 2019, the metre has been defined as the length of the path travelled by light in vacuum during a time interval of 1 / 299 792 458 of a second, where the second is defined by a hyperfine transition frequency of caesium.