Respostas

2014-03-04T20:42:55-03:00
Resposta

Vo = 50km/h = 13,9m/s
T = 5s
V = 0m/s

a = V - Vo / T
a = 0 - 13,9 / 5
a = -13,9/5
a = -2,8m/s²

Equação horaria

S = 13,9T - 2,8T² /2

1 5 1