Question

A truck going 70 m/s crashes in to a wall and comes to a complete stop in .05

seconds. What is the acceleration of the truck?
500 m/s²
O-1400 m/s²
-2000 m/s²

Answer 1

-1400 m/s^2

Step-by-step explanation:

Change in velocity / change in time = a

- 70 / .05 = -1400 m/s^2