What is the average speed of a person who can run around the track 4 times in 5 minutes? the track is 400 meters long.

His average speed is 5.33 m/s.

Explanation:

Average speed is the ratio of total distance traveled to the total time taken.

Average speed = Total distance / Total time

The person covers the track of 400 meters 4 times. So, the total distance traveled by him is 4 * 400 = 1600.

5 minutes = 5 * 60 s = 300 s

= ( 4 * 400) / (5 * 60)

= 1600 / 300

= 5.33 m/s

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