Sam ran a 2000-meter race. He started at 9:00 AM and finished at 9:15 AM. He started out fast but slowed down toward the end. Calculate Sam's average speed during the race.

Sam's average speed  = 2.22 m/s

Explanation:

The average speed refers to the speed with which a distance is covered within a particular time duration. The average speed of a moving object can be obtained by summing up all the varying speeds as the object moves from one point to another, within a particular time frame.

Sams average speed can be calculated using this formula:

Average speed = distance / time

Distance covered = 2000 meters

Time taken to cover the distance = 9:15 am - 9:00 am = 15 minutes = 15 X 60 seconds = 900 seconds

Sam's average speed = 2000meters / 900 secs = 2.22 m/second

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