Velocidade

Movimento Rectilíneo Uniformemente Acelerado
t = 0s
A
10 km/h
t = 1s
B
20 km/h
t = 2s
Tempo
(s)
Velocidade
(km/h)
0,0
0
1,0
10
2,0
20
3,0
30
4,0
40
5,0
50
C
30 km/h
t = 3s
D
40 km/h
t = 4s
E
50 km/h
t = 5s
Aceleração = variação da velocidade
intervalo de tempo
Tempo
(s)
Velocidade
(km/h)
0,0
0
1,0
10
2,0
20
Aceleração – a
Variação da velocidade - ∆v
10 km/(h.s)
3,0
30
4,0
40
5,0
50
Velocidade inicial – vi
10 km/(h.s)
Velocidade final - vf
10 km/(h.s)
Intervalo de tempo - ∆t
10 km/(h.s)
a = ∆v = vf - vi
∆t
∆t
10 km/(h.s)
Unidades do SI – m/s2;
Outras unidades - km/h2
Movimento Rectilíneo Uniformemente Acelerado
a
v
t = 1s
v/(km/h)
t = 0s
Movimento rectilíneo uniformemente acelerado
50
40
30
Tempo
(s)
Velocidade
(km/h)
0,0
0
1,0
10
2,0
20
3,0
30
4,0
40
5,0
50
20
10
t/s
0
0
1
2
3
4
5
6
Movimento Rectilíneo Uniformemente Acelerado
a
v
t = 2s
v/(km/h)
t = 1s
50
Tempo
(s)
Velocidade
(km/h)
40
0,0
0
30
1,0
10
2,0
20
3,0
30
4,0
40
5,0
50
20
10
t/s
0
0
1
2
3
4
5
Movimento Rectilíneo Uniformemente Acelerado
a
v
v/(km/h)
t = 2s
t = 3s
50
40
30
Tempo
(s)
Velocidade
(km/h)
0,0
0
1,0
10
2,0
20
3,0
30
4,0
40
5,0
50
20
10
t/s
0
0
1
2
3
4
5
Movimento Rectilíneo Uniformemente Acelerado
a
v
v/(km/h)
t = 3s
t = 4s
50
40
30
Tempo
(s)
Velocidade
(km/h)
0,0
0
1,0
10
2,0
20
3,0
30
4,0
40
5,0
50
20
10
t/s
0
0
1
2
3
4
5
Movimento Rectilíneo Uniformemente Acelerado
a
v
v/(km/h)
t = 4s
50
45
40
t = 5s
Tempo
(s)
Velocidade
(km/h)
0,0
0
1,0
10
2,0
20
3,0
30
4,0
40
5,0
50
35
30
25
20
15
10
5
t/s
0
0
1
2
3
4
5
Aceleração = variação da velocidade
intervalo de tempo
Tempo
(s)
Velocidade
(km/h)
0,0
50
-10 km/(h.s)
1,0
Variação da velocidade - ∆v
40
-10 km/(h.s)
2,0
30
3,0
20
4,0
10
5,0
0
Aceleração – a
Intervalo de tempo - ∆t
-10 km/(h.s)
-10 km/(h.s)
a = ∆v
∆t
-10 km/(h.s)
Unidades do SI – m/s2;
Outras unidades - km/h2
Movimento Rectilíneo Uniformemente Retardado
a
v
t = 1s
v/(km/h)
t = 0s
Movimento rectilíneo uniformemente acelerado
50
40
30
Tempo
(s)
Velocidade
(km/h)
0,0
50
1,0
40
2,0
30
3,0
20
4,0
10
5,0
00
20
10
t/s
0
0
1
2
3
4
5
6
Movimento Rectilíneo Uniformemente Retardado
a
v
v/(km/h)
t = 1s
t = 2s
50
Tempo
(s)
Velocidade
(km/h)
40
0,0
50
30
1,0
40
2,0
30
3,0
20
4,0
10
5,0
0
20
10
t/s
0
0
1
2
3
4
5
Movimento Rectilíneo Uniformemente Retardado
a
v
v/(km/h)
t = 2s
t = 3s
50
40
30
Tempo
(s)
Velocidade
(km/h)
0,0
50
1,0
40
2,0
30
3,0
20
4,0
10
5,0
0
20
10
t/s
0
0
1
2
3
4
5
Movimento Rectilíneo Uniformemente Retardado
a
v
v/(km/h)
t = 3s
50
40
30
t = 4s
Tempo
(s)
Velocidade
(km/h)
0,0
50
1,0
40
2,0
30
3,0
20
4,0
10
5,0
0
20
10
t/s
0
0
1
2
3
4
5
Movimento Rectilíneo Uniformemente Retardado
a
v
v/(km/h)
t = 4s
50
45
40
t = 5s
Tempo
(s)
Velocidade
(km/h)
0,0
50
1,0
40
2,0
30
3,0
20
4,0
10
5,0
0
35
30
25
20
15
10
5
t/s
0
0
1
2
3
4
5