SOLUTION: what is the speed of runner who is running a 100 meter dash in 40 second? what is his average velocity if he started from west?

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Question 936622: what is the speed of runner who is running a 100 meter dash in 40 second? what is his average velocity if he started from west?
Answer by srinivas.g(540) About Me  (Show Source):
You can put this solution on YOUR website!
distance = 100 meter
time = 40 seconds
speed++=+distance%2Ftime
+speed++=+100%2F40
speed = 2.5 meters/second
Result ; speed = 2.5 m/s