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The 10-mile run is a long-distance running event over a distance of ten miles (16.1 kilometres). It can be held on a road course or on a running track. Also referred to as a 10-miler or 10 miles run, it is a relatively common distance in countries that use the mile as a unit of measure.
The user starts the chronograph (stopwatch) at the instant the event is seen, and stops timing at the instant the event is heard. The seconds hand will point to the distance measured on a scale, usually around the edge of the face. The scale can be defined in any unit of distance, but miles or kilometers are most practical and commonplace. [30]
The text below the image shows the time that corresponds to the movement of the indicator around the stopwatch. A stopwatch is a timepiece designed to measure the amount of time that elapses between its activation and deactivation. A large digital version of a stopwatch designed for viewing at a distance, as in a sports stadium, is called a ...
Olympic Trials, where Ralph Metcalfe's winning time of 10.62 in the 100 meters is considered possibly the first automatically timed world record. [8] FAT was also used in 1936, but very few times have been found. In 1948, Bulova began developing the Phototimer, a unique combination of photo-finish camera and precision electronic timing instrument.
There is debate about the historical accuracy of this legend. [ 10 ] [ 11 ] The Greek historian Herodotus , the main source for the Greco-Persian Wars , mentioned Philippides as the messenger who ran from Athens to Sparta asking for help, and then ran back, a distance of over 240 kilometres (150 mi) each way. [ 12 ]
There are approximately 2,000 steps in a mile, which makes 10,000 steps about 5 miles. Learn the factors that affect how many steps are in a mile.
The computer has 32 bits of accuracy, [3] with each bit represented by a mechanical lever or pin that can be in one of two positions. This binary logic can only keep track of elapsed time, like a stopwatch; to convert from elapsed to local solar time (that is, time of day), a cam subtracts from (or adds to) the cam slider, which the adders move.
A VASCAR unit uses a stopwatch and a simple computer. An operator records the moments that a vehicle passes two fixed objects (such as a white circle or square painted on the road) that are a known distance apart. The vehicle's average speed is then calculated by dividing the distance between the points by the time taken to travel between them.