Question

During a race a sprinter increases from 5.0 m/s to 7.5 m/s over a period of 1.25 s what is the sprinters average acceleration during this period

Answer 1

Answer: 2 m/s^2

Explanation: Hope this helps :)

Answer 2

So keep in mind acceleration is velocity over time, or more specifically, Δvelocity / Δtime. You're given a change in velocity and time. So your equation should look like:

`((7.5-5.0)m/s)/(1.25s)`

Solve that equation, and remember acceleration will be in
`(m)/(s^(2))`!