Question

A driver speeds along a curved road and sees a fallen tree on the road. He applies the brakes but is unable to stop in time. When the car hits the tree, it slows down from 6 meters/second to 0 meters/second. What was the change in velocity during this time?

The change in velocity during the collision was _____  meters/second

. need it fast

Answer 1

The change in velocity is the difference of the final velocity and the initial velocity:

0 – 6 = -6 m/s.

Answer 2

It's -6 meters/seconds.