Kinematic equation problem set

1.) A car accelerates from rest with an acceleration of 4 m/s2 for a time of 10 seconds.

What is the car's speed at the end of 10 seconds?

Round answer using three significant figures

m/s

2.) A runner takes off running from rest to a max speed of 8m/s with a constant acceleration of 1.95m/s2

How long did it take the runner to reach their max speed?

Round answer to three significant figures.

seconds