Resposta :
a)
v=vo+g.t
0=10-10.t
10t=10
t=10/10
t=1 s
b)
v²=vo²+2.g.H
0²=10²-2.10.H
20H=100
H=100/20
H=5 m
v=vo+g.t
0=10-10.t
10t=10
t=10/10
t=1 s
b)
v²=vo²+2.g.H
0²=10²-2.10.H
20H=100
H=100/20
H=5 m