Resposta :
A)
V = Vo+at
V = 3+2t
S= So + Vot + (at²)/2
S = 0 + 3t + (2t²)/2
S = 3t+t²
B)
S=3t+t²
S=3(5)+(5)²
S=15+25
S=40m
V=3+2t
V=3+2(5)
V=3+10
V=13m/s²
V = Vo+at
V = 3+2t
S= So + Vot + (at²)/2
S = 0 + 3t + (2t²)/2
S = 3t+t²
B)
S=3t+t²
S=3(5)+(5)²
S=15+25
S=40m
V=3+2t
V=3+2(5)
V=3+10
V=13m/s²