Question

algm me explica pf valeuuuu​

Answer 1

a)

s = so + vot + 1/2at^2

so =0

vot = -2t

vo = -2

4t^2 = 1/2at^2

4 = 1/2a

a = 8

Função  velocidae : v = vo + at

v =  -2 + 8t

b) v =  -2 + 8t

v(5) =  -2 + 8 * 5

v = -2 + 40 = 38 m/s