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Sound power or acoustic power is the rate at which sound energy is emitted, reflected, transmitted or received, per unit time. [1] It is defined [2] as "through a surface, the product of the sound pressure, and the component of the particle velocity, at a point on the surface in the direction normal to the surface, integrated over that surface."
The men's 100 metres sprint event at the 1968 Olympic Games took place at Estadio Olímpico Universitario in Mexico City, Mexico, on October 13 and 14. Sixty-five athletes from 42 nations took part. Each nation was limited to 3 runners by rules in place since the 1930 Olympic Congress.
The men's 100 metres sprint event at the 1972 Olympic Games in Munich, West Germany, was held at Olympiastadion on 31 August and 1 September. [1] Eighty-five athletes from 55 nations competed. [ 2 ] Each nation was limited to 3 athletes per rules in force since the 1930 Olympic Congress.
Jim Hines' October 1968 Olympic gold medal run was the fastest recorded fully electronic 100 metre race up to that date, at 9.95 seconds. [2] Track and Field News has compiled an unofficial list of automatically timed records starting with the 1964 Olympics and Bob Hayes' gold medal performance there. Those marks are included in the progression.
A 100 m event for professionals only was held several weeks later. Four entrants are known and the winner was Edgar Bredin, a British former world record holder. [130] [131] A 100 m professionals handicap race is also believed to have been held in 1900. In 1904 a 100-yard dash handicap race was contested and an American, C. Hastedt, was the ...
Below a list of all national champions in the men's 100 metres in track and field from several countries since 1970. Argentina. 1970: Pedro Bassart; 1971: Pedro Bassart;
The favorite was Jamaican Don Quarrie (1970 and 1974 Commonwealth Games champion, with a share of the world record at 9.9 seconds), particularly with American Steve Williams (who had run 9.9 seconds four times) having been injured at the U.S. Olympic trials. Borzov was "not the dominant sprinter he had been in 1972."
The men's 100 meters at the 1988 Summer Olympics in Seoul, South Korea saw world champion Ben Johnson of Canada defeat defending Olympic champion Carl Lewis of the United States in a world record time of 9.79, breaking his own record of 9.83 that he had set at the 1987 World Championships in Rome.