Post on 07-Jul-2018
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MINISTÉRIO DA EDUCAÇÃOINSTITUTO FEDERAL DEEDUCAÇÃO, CIÊNCIA E TECNOLOGIA DO PIAUÍ-
CAMPUS PARNAÍBA
Movimento retilíneo uniforme e suas características
&
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T#bl# +:
Posição Ocupada Espaço percorrido Intervalo de
tempo
Velocidade média
X0 = 0mm Δ xn Δ t nΔ v
n=Δ x
n
Δ t n
X1 = 100mm Δ x1= x1− x0=100mm Δ t 1=1,8s Δ v1=55,5mm/s
X2 = 200mm Δ x2= x2− x0=200mm Δ t 2=3,6 s Δ v2=55,5mm/ s
X3 = 300mm Δ x3= x3− x0=300mm Δ t 3=5,2s Δ v3=57,7mm/ s
X4 = 400mm Δ x4= x4− x0=400mm Δ t 4=7,2 s Δ v4=55,5mm /s
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/=1$#:
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400=0+v∗7,2
v=400
7,2
v=55,5mm /s
vm=55,5mm/s
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x (5)=0+55,5∗5 x (5)=277,5mm
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T#bl# ):
edida Es!era "ol#a
1 Δ t 1=6,6 s v1 = $0%$mm&s Δ t 1=5,3s v1 = '(%4mm&s
2 Δ t 2=6,7 s v2 = ()%'mm&s Δ t 2=5,3s v2 = '(%4mm&s
3 Δ t 3=6,6 s v3 = $0%$mm&s Δ t 3=5,3s v3 = '(%4mm&s
édia* Δ t =6,6 s ve = $0%$mm&s Δ t =5,3s v + = '(%4mm&s
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T#bl# "/.o .#!# .!3o!!! H**//:
Es!era "ol#a
t 0=0 s X0 = 0 mm t 0=0 s X0 = 400 mm
t =6,6s X = 400 mm t =5,3s X = 0 mm
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