Explicação passo-a-passo:
a) vm=40km
s=?
t=2h
vm=s/t
40=s/2
s=40*2=80 km
b)vm=80,5km/h
t=4,5h
80,5=s/4,5
s=80,5*4,5=362,25 km
c)vm=1200km/h
t=4h
1200= s /4
=1200*4=4800km
d)vm=0,25m/s
t=0,5s
0,25=s/0,5
s=0,25*0,5=0,125m
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Explicação passo-a-passo:
a) vm=40km
s=?
t=2h
vm=s/t
40=s/2
s=40*2=80 km
b)vm=80,5km/h
s=?
t=4,5h
80,5=s/4,5
s=80,5*4,5=362,25 km
c)vm=1200km/h
s=?
t=4h
1200= s /4
=1200*4=4800km
d)vm=0,25m/s
s=?
t=0,5s
0,25=s/0,5
s=0,25*0,5=0,125m