Question

A car accelerates from 15 m/s to 30 m/s in
3.0 s. What is the car's acceleration?
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Answer 1

The car’s acceleration is 5.0 m/s/s

Answer 2

formula for acceleration is velocity over time so 15 (as 30-15 or final minus intial speed) over 3 which is 5 and the unit for acceleration is ms-2 so it’s 5ms-2