Chemistry Problem Solving Videos @ WVU

Chem 115 - General Chemistry I

Unit Conversion - XI

The men's world record for the hundred-meter (100.0 m) dash was set by Usain Bolt in 2009. His official time was 9.58 s. What was his average speed in miles per hour?

The fastest time for the Kentucky Derby is 1 minute and 59 seconds, set in 1973 by a horse named Secretariat. What was Secretariat’s average speed (in miles per hour) over the 1.25-mile race?
[12 inch=foot,  1 mile=5280 feet,     1 meter=39.37 inch]

 

 

 



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