A store is having a big sale. Everything is 30% off. but for one day only, an extra 40% will be taken off of the discounted pric
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Answer:
His average speed was of 10.42 m/s
Step-by-step explanation:
We use the following relation to solve this question:
In which v is the velocity(in m/s), d is the distance(in meters), and t is the time, in seconds.
Usain Bolt of Jamaica set a world record in 2009 for the 200- meter dash with a time of 19.19 seconds.
This means that
So his average speed was of:
His average speed was of 10.42 m/s