Booo

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  • Publicado : 18 de marzo de 2010
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2.- Datos planteamiento

X = vox * t + ax * t
X =? m 2

t = 7 s
x = 30km/h 0.2778m 7s
Vox =30 Km. /h 1km/h

vfx = 0

ax =?

X =58.34

Planteamiento

3.- datos x = vo x *t

t = ? h x = t
vox
x = 3km
t = 3 km =0.06h
vox = 50 km /h 50km /h

planteamiento
4.- datos
Vfx – vox = ax * t

Vox = 0 vfx – vox = ax
t
Vfx = 95km / h

t = 7s ax= 95 km/ h 0.2778m
1 km/h 7s
ax = 3.77 m/ s
ax = 3.77 m/s

5.- datos planteamiento

Vfx – vox = ax * t
Vox = 20 km /h
Vfx – vox
t = 4s t =ax

vfx 50 km /h
ax = 50km/h0.2778m 20km/h 0.2778
ax =? 1km 7h
1km/h
X = ? ax = 2.08 m/s²

X vox *t + ax *t²
2
+
20km/h 0.2778 4s 2.08m/s² 4s²
x =
1km/h 2

X =38.86

6.-datos planteamiento

ax 6m/s² vfx –vox = ax * t

t = 1.26 vfx = ax *t

vfx =? Vfx =7.2m/s

Vox =0 x = vox * t + ax *t ²
2
X = ¿
X =0 + 6m /s² 1.2s²
2X = 4.32

7.- datos planteamiento

t = 4s vfx –vox = ax * t

vox =30 km/h vfx –vox =ax
t
vfx =60 km / h
ax = 30k/h 0.2778m
ax=? 1km /h 4s

X = ? ax =2.08 m/s²

X = vox *t + ax *t ²
2

X = 30km/h 0.2778 4s 2.08m/s² 4s²
+
1km/h 2

X = 49.96m

plateamiento
8.-datos
[pic] Vfx ²- vox =2ax –x
vox =0
vfx = 2ax * x
ax = 0.6 m/s²
vfx= [pic]
x =0.3 k m
vfx = [pic] 2 0.6m 300m
vfx = ? m/s ? km/ h s²

vfx=18.97m/s =68.29km/h

18.97m/s1km/h
0.2778m

Vfx -vox =ax * t

vfx = t 18.97ms
ax t=
0.6m/s t= 31.62s

9.- datos
Vfx²-vox²=2ax *x
Vox = 60km/h
-vox²=ax
Vfx=0
2x
X =15m
60km/² 0.2778m/s²
ax 2 15m 1km/h²
t =?

X= 12.03t=1s ax =9.25 m/s²

X= vox *t +ax *t ² vfx-vox = ax *6
2

X=60km/h 0.2778m 1.85 -vox = t...
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