A sprinter finishes the 100 m dash in 9 seconds. What was the sprinter's speed?

2 Answers
Mar 1, 2018

11.11111ms^-1

Explanation:

Speed = "Distance"/"Time"

Speed = "100m"/"9s"

Speed = 11.11111ms^-1

Mar 1, 2018

~~11.1 \ "m/s"

Explanation:

Speed is given by the equation

s=d/t

Here, d=100 \ "m",t=9 \ "s".

Plugging in those values, we get

s=(100 \ "m")/(9 \ "s")~~11.1 \ "m/s"