Respuesta :

We have:

vi = initial speed = 4 m/s

vf = final speed = 25 m/s

t= time = 5 s

a = acceleration = ?

Apply:

[tex]a=\frac{vf-vi}{t}[/tex]

Replace with the values given:

[tex]a=\frac{25-4}{5}=4.2[/tex]

Answer: 4.2 m/s^2

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