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ill upvote please help


Find the average acceleration of a northbound subway train that slows from 12 m/s to 9.6 m/s in 0.9 s

Question 3 options:

-2.7 m/s


2.7 m/s2


-2.7 m/s2


2.7 m/s

Respuesta :

We know, acceleration = change in velocity / time
a = 9.6 - 12 / 0.9
a = -2.4 / 0.9
a = -2.67

In short, Your Answer would be Option C

Hope this helps!

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