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Vi=0 m/seg
a=3 m/seg^2
Fórmulas:
2as=Vf^2-Vi^2 (F1)
at=Vf-Vi (F2)
A). Usamos F2 con t=5 despejando Vf:
Vf=at+Vi
Vf=(3)(5)+0
Vf=15 m/seg
B). Usamos F2 con t=10 despejando Vf:
Vf=at+Vi
Vf=3(10)+0
Vf=30 m/seg
Ahora usamos F1 despejando s:
s=(Vf^2-Vi^2)/2a
s=(30^3-0^2)/(2(3))
s=900/6
s=150 m
C). Usamos F1 despejando t:
t=(Vf-Vi)/a
t=(30-0)/3
t=30/3
t=10 seg