![SOLVED: Olympic gold medalist Michael Johnson runs one time around the track - 400 meters - in 38 seconds. What is his displacement? What is his average velocity? SOLVED: Olympic gold medalist Michael Johnson runs one time around the track - 400 meters - in 38 seconds. What is his displacement? What is his average velocity?](https://cdn.numerade.com/ask_previews/bbd846a7-066d-4fff-844b-a5257fdf4fde_large.jpg)
SOLVED: Olympic gold medalist Michael Johnson runs one time around the track - 400 meters - in 38 seconds. What is his displacement? What is his average velocity?
![how fast can an average person run a 400m race? | high school track, 400m sprint, minimal training - YouTube how fast can an average person run a 400m race? | high school track, 400m sprint, minimal training - YouTube](https://i.ytimg.com/vi/5ltnSL77KFM/mqdefault.jpg)
how fast can an average person run a 400m race? | high school track, 400m sprint, minimal training - YouTube
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