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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

Respuesta :

Answer:

-1400 m/s^2

Explanation:

Change in velocity / change in time  = a

    -  70 / .05 =  -1400 m/s^2

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