Traditional Culture Encyclopedia - Photography major - A track and field athlete with a height of1.70m is participating in the100m sprint. At the finish line, a photographer stood by the finish line of the runway to take pictures.
A track and field athlete with a height of1.70m is participating in the100m sprint. At the finish line, a photographer stood by the finish line of the runway to take pictures.
If the displacement in the exposure time is x, there is a proportional relationship and HH = SX is obtained.
According to the definition of speed, V = XT = HSHT = 1.6× 10? 2×5× 10? 31.7×160m/s = 8.5m/s.
A: The sprint speed is 8.5 meters per second.
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