Shark asked in SportsRunning · 8 years ago

A sprinter set a high school record in track and field, running 200.0 m in 21.9s . What is the average spe?

A sprinter set a high school record in track and field, running 200.0m in 21.9s . What is the average speed of the sprinter in kilometers per hour?

Update:

its 32.9 km/h

km/sec x60 x60

3 Answers

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  • mahlon
    Lv 6
    8 years ago
    Favorite Answer

    32.9km/hour

  • 8 years ago

    Roughly 3 miles an hour

    Source(s): Simple math
  • 8 years ago

    V= d/t so 200m/21.9s = 9.1m/s but then you have to convert m to km. So 9.1/1000 = .0091 km/s. you divide by 1000 because 1000 meters = 1 kilometer. Kilo=thousand or something like that. Your answer is .0091 km/s :)

    Source(s): Top student in honors physics.
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