Respostas

2014-08-02T14:31:35-03:00
V² = Vo² + 2 * a * d
V² = 4² + 2 * 1,8 * 50
V²= 16 + 3,6 * 50
V² = 16 + 180
V =  \sqrt{196}
V = 14 m/s
2 4 2