posted by Shannan .
A bus traveling at 30.0km/h accelerates at a constant 3.5 m/s^2 for 6.8s. what is its final velocity?
The velocity will increase by an amount 3.5 * 6.8 = 23.8 m/s
That is equivalent to 85.7 km/h.
Add that to the original speed to get the final speed in km/h