Respuesta :

samuellai03

Answer:

v = 20 m/s

Explanation:

Let's use v = u + at for uniform acceleration.

v = finaly velocity

u = initial velocity

a = acceleration

t = time

Since we start from rest, our initial velocity is zero.

[tex]v = 0 + 4(5)[/tex]

[tex]v = 20 m/s[/tex]