Question

Steve holds the world record for the 100-meter dash. At his fastest, Bolt ran 100 meters in 9.58 seconds. Convert his speed into miles per hour. Report your answer using 3 significant figures.

Conversion factors: 1 mile = 1609 meters 60 seconds = 1 minute 60 minutes = 1 hour

Use appropriate Sig Figs in answer!

Answer 1

23.4 mph

Step-by-step explanation:

The conversion factors are multiplied so that the units cancel out:

(100 meters / 9.58 sec) x (1 mile / 1609 meters) x (60 sec / min) x (60 min /1 hr) = 23.4 mph