1.
Vi x = Sf-Si
= 5.50 m =
4.23 m / s
tf-ti 1.30 s
Vi x = Sf-Si =
6.60 m = 6.05 m/ s
tf-ti 1.09 s
Vi x = Sf-Si =
6.00 m = 5.55 m/ s
tf-ti 1.08 s
2.
1 1
Vo y = Vf-Vo-
2 at2 = 5.50- 2 (9.8)2. (130)2 = 0.6m/ s
t 1.30
1 1
Vo y = Vf-Vo- 2 at2 = 6.60- 2 (9.8)2. (109)2 = 1.7 m/ s
t 1.09
1 1
Vo y = Vf-Vo-
2 at2 = 6.00- 2 (9.8)2. (1.08)2 = 1.1m/ s
t 1.08
3.
Vo = Vx2 +Vy2 = 4.23 + 0.6 = 2.65 m/ s
Vo = Vx2 +Vy2 = 6.05 + 1.7 =
4.15 m/ s
Vo = Vx2 +Vy2 = 5.55 + 1.1 = 3.45 m/ s
4.
Y= yi + Yyt - 1
gt2
2
Y= 2.23 m + 1 (10 m /s2)(1.30)2
2
Y max= 2.23 m + (5 m/ s2). (1.30)2
Ymax= 2.23 m + (6.5 m)
Y
max= 8.73 m
Y=
yi + Yyt - 1 gt2
2
Y= 2.23 m + 1 (10 m/ s2)(1.09)2
2
Y max= 2.23 m + (5 m/ s2). (1.09)2
Ymax= 2.23 m + (5.45 m)
Y
max= 7.68 m
Y=
yi + Yyt - 1 gt2
2
Y= 2.23 m + 1 (10 m/ s2) (1.08)2
2
Y max= 2.23 m + (5 m/ s2). (1.08)2
Ymax= 2.23 m + (5.4 m)
Y
max= 7.77 m
5.
Vfx =
Cos °
Vf= Vx
= 4.23m = 4.6 m/ s
Cos
35° 0.81
Vfx = Cos °
Vf= Vx =
5.55m = 7.93 m/ s
Cos 45° 0.70
Vfx = Cos °
Vf= Vx =
6.05m = 14.40 m /s
Cos
65° 0.42
6.
Vy= V Sen °
Vy = 4.6 m/ s Sen 35 °
Vy = 0.53 m/ s
Vy= V Sen°
Vy = 7.93 m/ s Sen 45 °
Vy = 0.50 m/ s
Vy= V Sen °
Vy = 14.40 m/ s Sen 65 °
Vy = 13.05 m/ s
7.
Vf = Vx2 + Vy2 = 4.6 + 0.53 = 2.67 = 1.63 m/
s
Vf = Vx2 + Vy2 = 7.93 + 0.50 = 3.31 = 1.81 m /s
Vf = Vx2 + Vy2 = 14.40 + 0.50 = 16.84.3 = 4.10
m/ s
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