Respostas

2014-05-04T14:42:49-03:00
V²=vo²+2a(delta S)
10²=5²+2a*25
100=25+50a
50a=75
a=75/50
a=1,5m/s²
2014-05-04T14:43:03-03:00
V^{2} = V_{0}^{2} + 2.a.S

10² = 5² + 2 . a . 25
100 = 25 + 50.a
100 - 25 = 50.a
75 = 50.a
a = 75/50 = 1,5

a = 1,5 m/s²