In 2009, Usain Bolt set the world record for sprinting 100 m in approx

1.	In 2009, Usain Bolt set the world record for sprinting 100 m in approximately 9 3/5 seconds. Find his average speed in meters per second.
Answer» Answer =10.42 m/s explanation = Total Distance COVERED 100 m TIME taken=9.60 seconds Average speed = Total Distance covered / total time taken so 100/9.60=10.42 so the answer is 10.42 m per SECOND

In 2009, Usain Bolt set the world record for sprinting 100 m in approximately 9 3/5 seconds. Find his average speed in meters per second.

Answer»

Answer =10.42 m/s

explanation = Total Distance COVERED 100 m

TIME taken=9.60 seconds

Average speed = Total Distance covered / total time taken

so 100/9.60=10.42

so the answer is 10.42 m per SECOND