Question

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

Answer 1

10.41 seconds meters per second

Explanation:

1. divide 5 by 3 you get 0.6

2. he ran 9.6 seconds

3. divide 100 by 9.6 seconds getting 10.41 meters per second

Answer 2

Answer: 10 5/12 meters per seconds

Explanation:

Hi, to answer this question we have to

Apply the formula:

Speed rate = distance / time

Replacing with the values given, we have to divide the distance (100m) by the time (9 3/5 ).

Mathematically speaking:

9 3/5 = (5x9)+3 /5 =48/5

100 / (48/5) =10.42 meters per second.

= or 10 5/12 meters per second

=or 125/12 meters per second