Respostas

2014-02-16T11:11:13-03:00
Resposta

Altura 32 . 2,5 = 80 metros

V² = Vi² + 2a.h
V² = 2.10.80
V² = 1600
V = √1600
V = 40m/s
13 4 13
2014-02-16T13:21:13-03:00
2,5 x 32 = 80 metros

v² = vo² + 2gh
v² = 0 + 2 x 10 x 80
v² = 1600
v = 40 m/s
6 4 6