Respostas

2013-11-13T12:38:38-02:00
V= v0²-2.g.h
v= 0-2.10.5
v=100m/s

v=vo-gt
100=0-10.t
100=10t
t= 100/10
t= 10s

v=vo-gt
100=vo-10.10
100=100vo
100vo=100
v0= 100/100
v0= 0