Respuesta :

Answer:

a = 0.75 m/s²

Explanation:

I am not gonna rewrite the stuff from previous answers, it's the same format.

a = average acceleration  

v = final velocity = 9 m/s  

v0 = initial velocity = 3 m/s

t = time = 8 s

a = (v-v0)/t

a = (9m/s - 3m/s) / 8s

a = 0.75 m/s²