Embed Size (px)
Citation preview
FÍSICA – ENSINO MÉDIO
3
4
5
6
7
8
Av
Bv
ABv
EcEc
0
0
9
Av
Bv
Bv'
EcEc
0
0
Av'
10
11
APv
AFv AP
AF
vv
e
12
TIPO DE CHOQUE VELOCIDADE DE AFASTAMENTO
CHOQUE PERFEITAMENTE
ELÁSTICO
CHOQUE INELÁSTICO
CHOQUE PARCIALMENTE ELÁSTICO
AP
AF
vv
e
APAF vv
0AFv
0AF
APAF
v
vv
1e
0e
10 e
13
14
EcEc
0
0
15
QQ 0 ABBABBAAvmQABBA vmmvmvmQQQ ).(...
)( BA
BBAAAB mm
vmvmv
Av
Bv
ABv
BA vv
16
0EcEcEc 2)( 2
ABBAAB
vmmEcEc
22
22
0BBAA
BA
vmvmEcEcEc
17
Av
Bv
ABv
BA vv
18
Av
Bv
ABv
BA vv
BA QQ
19
smvkgm
smvkgm
BB
AA
/52,0
/103,0
20
QQ 0
ABBABBAAvmQABBA vmmvmvmQQQ ).(...
85,04
)5,0(13
)2,03,0(5.2,010.3,0
)(
BA
BBAAAB mm
vmvmv
smvAB /8
21
0EcEcEc 2)( 2
ABBAAB
vmmEcEc
22
22
0BBAA
BA
vmvmEcEcEc
JEcEc AB 162
8)2,03,0( 2
Jvmvm
Ec BBAA 5,1725.2,0
210.3,0
22
2222
0
JEc 5,15,1716 JEc 5,1
22
smvkgm
svkgm
BB
AA
/37
/35
23
QQ 0
ABBABBAAvmQABBA vmmvmvmQQQ ).(...
5,0126
)12(2115
)75()3.(73.5
)(
BA
BBAAAB mm
vmvmv
smvAB /5,0
24
smvAB /5,0
25
QQ 0
2''2').(0..
'//0////
).(...
vvmvmvvmmmvm
vvvvvmmm
vmmvmvmQQQ
ABBABA
ABBABBAAvmQABBA
2'
vv
26
2)( 2
ABBAAB
vmmEcEc
22
22
0BBAA
BA
vmvmEcEcEc
4)
2(
'2
')2(2
')(
22
2'
222
mvEc
vmEc
mvvmvmm
Ec vv
2.
20.
2. 222
0
vmmvmEc
2
2
0
mvEc
4
2mvEc
26
27
4
2mvEc
2
2
0
mvEc
24
.2
4
22
2
2
2
0 mv
mvmv
mv
EcEc
20 EcEc
28
)(0
)(
0
00
blocov
projétilvv
B
P
Mmm
vv
PB
PB
)(
)(
projétilmm
blocoMm
P
B
29
QQ 0
)().(
).(0..
00
0
0000
Mmmv
vvMmmv
vmmMvm
vmvmvmQQQ
PBBP
PBPBBBPPBPBP
)(0
Mmmv
v
30
22
22
0BBPP
BP
vmvmEcEcEc
2.
20.
2. 222
0
vmmvmEc
2
2
0
mvEc
2)( 2
PBBPPB
vmmEcEc
)(221
.2
2
)()(
2)(
20
220
2
20
2
2
02
Mmvm
EcMm
vmMmvm
Ec
Mmmv
MmvMm
Ec
)(2
20
2
Mmvm
Ec
31
0EcEcEc
2
2
0
mvEc
)(2
20
2
Mmvm
Ec
:
: 0
ENTÃO
EcEcCOMO
EcEcEc 0
)(2
)(2)(
)(2).(
)(22
20
20
220
20
2
20
220
20
220
0
MmmMv
Ec
MmvmmMvvm
Ec
MmvmmvMm
Ec
Mmvmmv
EcEcEc
)(21 2
0
MmmMv
Ec
32
08008,0
/206,3/72
12002,1
BB
AA
vkgtonm
smhkm
vkgtonm
33
QQ 0
ABBABBAAvmQABBA vmmvmvmQQQ ).(...
hkmv
smmm
vmvmv
AB
BA
BBAAAB
/2,436,3.12
/12200024000
)8001200(0.80020.1200
)(
hkmvAB /2,43
34
0EcEcEc 2)( 2
ABBAAB
vmmEcEc
22
22
0BBAA
BA
vmvmEcEcEc
kJJEcEc AB 144000.1442
12)8001200( 2
kJJvmvm
Ec BBAA 240000.24020.800
220.1200
22
2222
0
kJkJkJEc 96240144
kJEc 96
35
36
EcEc
0
0
37
QQ 0
BBAABBAAvmQBABA vmvmvmvmQQQQ '.'...'' .
BBAABBAA vmvmvmvm '.'...
Av
Bv
Bv'
Av'
BA vv
38
BAOAPROXIMAÇÃ vvv
OAPROXIMAÇÃ
OAFASTAMENT
vv
e
ABOAFASTAMENT vvv ''
BA
AB
vvvvvv
eAP
AF
vvvv
vv
e
BAAPABAF
''1
''1
ABBA vvvv ''
39
BBAABBAA vmvmvmvm '.'...
ABBA vvvv ''
40
smvkgm
smvkgm
BB
AA
/51
/81
41
QQ 0
13'''.1'.15.18.1
'.'...'' .
BABA
BBAABBAAvmQBABA
vvvv
vmvmvmvmQQQQ
13'' BA vv
BAAB vvvv ''
3''58'' ABAB vvvv 3'' AB vv
42
13'' BA vv
3'' AB vv
smvv BB /8216
'16'2 smvB /8'
smvvvv AABA /5'138'13''
smvA /5'
43
smvkgm
smvkgm
BB
AA
/23
/32
44
QQ 0
0'3'2'.3'.2)2.(33.2
'.'...'' .
BABA
BBAABBAAvmQBABA
vvvv
vmvmvmvmQQQQ
0'3'2 BA vv
BAAB vvvv ''
5'')2(3'' ABAB vvvv 5'' AB vv
45
0'3'2 BA vv
5'' AB vv
smvv BB /2510
'10'5
smvB /2'
smvv
vvv
AA
ABA
/3'26
'
02.3'20'3'2
smvA /3'
0'3'2 BA vv
10'2'2 AB vv
46
00 AA Ecv
00 BB Eph
BA MM EE
gHvv
mvmgHEpEcEpEc
IB
BBBAA
2
02
02
H
47
V aproximação = V impacto
OAPROXIMAÇÃ
OAFASTAMENT
vv
e
gHev
gH
ve
vv
egHvv
vvOAPROXIMAÇÃ
OAFASTAMENT
IAP
AF
2
22
gHev 2
48
BC MM EE
mhHeh
ggHe
hg
gHeh
gv
h
mvmghEpEcEpEc
mHe
vAF
AFBBCC
gHeAF
8,1220.)8,0(.
22.
2
2
2
02
0
2
208,0
222
2
2
2.
metrosh 8,12
49
50
0
BAA
BAABAAv
mmm
BBAABBAAvmQBABA
vvv
vvmvmvmvmmvm
vmvmvmvmQQQQ
BBA
''
)''.(.'.'.0..
'.'...''
0
.
BAA vvv ''
51
BAA vvv ''
Av'
Bv'
Av
52
EcEc 0
222222222
02
0
'')''(2
.22
'2'
02
''
0
2
BAABAABAA
Ecv
mvEc
BABA
vvvvvm
vmmvmvmv
EcEcEcEcEcEc
BB
222 '' BAA vvv
53
BAA vvv ''
222 '' BAA vvv
Av'
Bv'
Av
54
55
0
BAA
BAABAAv
mmm
BBAABBAAvmQBABA
vvv
vvmvmvmvmmvm
vmvmvmvmQQQQ
BBA
''
)''.(.'.'.0..
'.'...''
0
.
BAA vvv ''
EcEc 0
222222222
02
0
'')''(2
.22
'2'
02
''
0
2
BAABAABAA
Ecv
mvEc
BABA
vvvvvm
vmmvmvmv
EcEcEcEcEcEc
BB
222 '' BAA vvv
56
222 '' BAA vvv
BAA vvv ''
Av'
Bv'
Av
9060
306090
9060
30
57
Av'
Bv'
Av
Av'
Bv'
Av
60.' senvv AB
23
'60.' 0
23
60
0vvsenvv B
sen
vvAB A
23
' 0vv B
