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Medley, and the same starting point in a while take-off, they will in a few

Yi-ming 12010-01-28 11:01:49 +0000 #1
at the 29th Olympic Games, the acquisition of eight gold medals in swimming swimmer Feierpusi average about every 100 meters, small words The average speed is 60 meters on the track if he is two 50-meter pool to 400 m medley, and at the same starting point, while take-off, they will encounter in a few minutes for the first time?
God of War shooter2010-01-28 11:12:05 +0000 #2
37.5 seconds to 30 seconds to reach 50-meter pool wall Phelps, Xiao-hua at 30 meters, two-gap 20 meters. After Phelps began to return, Xiao-hua to move forward and can be seen as based on two-speed swim the 20 meters, and the speed of 100/60 +60 / 60 = 8 / 3 (m / s), 20 / (8 / 3) = 7.5s, a total of 37.5 seconds.

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