Respostas

2014-08-05T16:33:39-03:00
a = Vf - Vo/tf - to
a = 3 - 1 / 2 - 0
a = 2/1
a = 2 m/s²

F = m * a 
F = 3 * 2
F = 6 N
a resposta é:a = Vf - Vo/tf - to
a = 3 - 1 / 2 - 0
a = 2/1
a = 2 m/s²

F = m * a
F = 3 * 2
F = 6 N