# average speed

• Oct 2nd 2007, 03:52 PM
Princess95
average speed
What would be the average speed if someone ran 200 meters in 21.56seconds?
• Oct 2nd 2007, 04:27 PM
Jhevon
Quote:

Originally Posted by Princess95
What would be the average speed if someone ran 200 meters in 21.56seconds?

Average speed is $\frac {\mbox {Total Distance}}{\mbox{Total Time}}$

and remember your units, here it would be m/s