pembahasan un fisika sma 2014 paket 4
TRANSCRIPT
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8/9/2019 Pembahasan UN Fisika SMA 2014 Paket 4
1/20
Kowlboak gulcule` http3//f`s`gaultugul.mboespot.nod
K`mahas objh Cohal Aghdak`l, ^.Yk
YJDMAHA^AL ^OAB ZL F@^@GA ^DA [AHZL =91; YAGJ[ ;
1.
Yjdmahasal3
D 4 DBM+ DB[+ DBK
D 4 1:9 e + =9 e + > e 4 15> e
Cawamal3K
=.
Yjdmahasal3
4 169= + 1=9= 4 =:699 + 1;;99 4 ;9999 4 =99Cawamal3 A
199 d
;9 d
:>9
199 d89 d
69 d
;9 d
69 d
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8/9/2019 Pembahasan UN Fisika SMA 2014 Paket 4
2/20
Kowlboak gulcule` http3//f`s`gaultugul.mboespot.nod
K`mahas objh Cohal Aghdak`l, ^.Yk
>.
Yjdmahasal3Ejrag yale pjrtada akabah EBM kjleal v 4 6 d/s sjbada ; sjgol cak` eraf`glya
djlkatar. Ejrag yale gjkua akabah EBMM k`pjrbadmat kjleal gjnjpatal agh`r v 4 v9
a t 4 61 . ; 4 = d/s cak` eraf`g turul gj v 4 = d/s. Eraf`g yale djlulcuggal
pjrcabalal `tu akabah p`b`hal A
Cawamal3 A
;.
Yjdmahasal3
4 = f 4 = . 099/69 Hz 4 >9 rak/s
v 4 . r 4 >9 rak/s . 9,= d 4 6 d/s
Cawamal3 J
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8/9/2019 Pembahasan UN Fisika SMA 2014 Paket 4
3/20
Kowlboak gulcule` http3//f`s`gaultugul.mboespot.nod
K`mahas objh Cohal Aghdak`l, ^.Yk
:.
Yjdmahasal3
B`ft yale mjrejrag la`g mjrbagu3 Lw 4 d . a, daga3
66 ge . 19 d/s=69 ge . 19 d/s=4 69 ge . a
669 L699 L 4 69 ge . a
69 L 4 69 ge . a
a 4 1 d/s=
Cawamal3 J
6.
Yjdmahasal3
Kar` hugud @@ Ljwtol rotas`3
4 @ . F . ] 4 @ .
F 4 . . ]-1
Cawamal3K
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8/9/2019 Pembahasan UN Fisika SMA 2014 Paket 4
4/20
Kowlboak gulcule` http3//f`s`gaultugul.mboespot.nod
K`mahas objh Cohal Aghdak`l, ^.Yk
Yjdmahasal3
A14 6 . 8 4 ;8
A=4 ; . = 4 8 (buas bumale mawah)
A>4 ; . = 4 8 (buas bumale atas)
a.
[`t`g mjrat paka sudmu x3
x 4x1A1x=A=x>A>
A1A=A>
x 4; . ;8; . 8; . 8
;8884
10=6;
>=4
1=8
>=4 ;
x 4 ;
m.
[`t`g mjrat paka sudmu y3
y 4y
1A1y=A=y>A>
A1A=A>
y 4> . ;81 . 8: . 8
;8884
06
>=4 >
Cak` goork`lat t`t`g mjrat3 (; 7 >)
Cawamal3K
X (nd)
P (nd)
; 7 1
; 7 >
; 7 :
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8/9/2019 Pembahasan UN Fisika SMA 2014 Paket 4
5/20
Kowlboak gulcule` http3//f`s`gaultugul.mboespot.nod
K`mahas objh Cohal Aghdak`l, ^.Yk
Yjdmahasal3
4 F1. B1+ F=. B=s`l :>9+ F>. B>
4 =9 L . 9,1 d + 1: L . 9,= d . 9,8 + 1= L . 9,> d
4 = Ld + =,; Ld + >,6 Ld 4 8,9 Ld
Cawamal3 J
Yjdmahasal3
a. [jrbjm`h kahubu gjt`lee`al s`b`lkjr kjleal djleeulagal hugud gjgjgabal jljre`
djgal`g rotas`.deh1+ dv1
=+ @ 1=4 deh=+ dv=
=+ @ ==
deh1+ dv1=+ dr=(v1/r)
=4 deh=+ dv==+ dr=(v=/r)
=
eh1+ v1=+ v1
=4 eh=+ v==+ v=
=
eh1+ v1=4 eh=+ v=
=
19 . 9 + 19=4 19 . h=+ 9=
199 4 19 h=
h=4 19 d
m. Djleh`tule s.
tal 4 9,5: s`l 4 9,6
h=/ s 4 9,6 s 4 h=/ 9,6
s 4 19 d / 9,6 4 16,65 d 4 15 d
Cawamal3A
h 4 19 ds
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8/9/2019 Pembahasan UN Fisika SMA 2014 Paket 4
6/20
Kowlboak gulcule` http3//f`s`gaultugul.mboespot.nod
K`mahas objh Cohal Aghdak`l, ^.Yk
Yjdmahasal3
Yjeas tjtap mjrs`fat jbast`s c`ga eraf`g b`ljar.
Cawamal3 A
Yjdmahasal3
JY1+ JG14 JY=+ JG=
deh1+ dv1=4 deh=+ JG=
= . 19 . =,; + . = . 9=4 = . 19 . 1,= + JG=
;8 + 9 4 =; + JG=
JG=4 ;8=; 4 =; coubj
Cawamal3J
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8/9/2019 Pembahasan UN Fisika SMA 2014 Paket 4
7/20
Kowlboak gulcule` http3//f`s`gaultugul.mboespot.nod
K`mahas objh Cohal Aghdak`l, ^.Yk
Yjdmahasal3
@ 4 dv=dv1
@ 4 9,9= ge . = d/s9,9= ge (; d/s)
@ 4 9,9; Ls + 9,98 Ls 4 9,1= Ls
Cawamal3M
Yjdmahasal3
Zltug djlejtahu` l`ba` paltubal pjrtada h1, eulagal pjrsadaal gojf`s`jl rjst`tus`3
:9 nd
1=: nd4
h=
:9 nd
H= 4 :9 nd . :9 nd / 1=: nd 4 =9 nd
Cawamal3M
Yjdmahasal3
1. h14 =. h=
1999 . 6 4 . 19
4 699
/
>
Cawamal3N
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8/9/2019 Pembahasan UN Fisika SMA 2014 Paket 4
8/20
Kowlboak gulcule` http3//f`s`gaultugul.mboespot.nod
K`mahas objh Cohal Aghdak`l, ^.Yk
Yjdmahasal3
a. [jrbjm`h kahubu h`tule gjnjpatal a`r paka p`pa mae`al atas kjleal djleeulagal pjrs.
Golt`lu`tas.
A1. v14 A=. v=v
=4 (A
1. v
1) / A
=
v=4 (1;; nd=. 1 d/s) / >6 nd=4 ; d/s
m. Djleh`tule Y=kjleal djleeulagal asas Mjrloubb`.
Y1+ eh1+ v1=4 Y=+ eh=+ v=
=
1=9.999 + e. 9 + 1999 . 1=4 Y=+ 1999 . 19 . = + 1999 . ;=
1=9.999 + :99 4 Y=+ =9.999 + 8999
1=9.:99 4 Y=+ =8.999
Y=4 1=9.:99=8.999 4 0=:99 Ya
Y=4 0=,: Gpa
Cawamal3K
Yjdmahasal3
B 4 B9. . [=,88 . 19-=4 9,1= d . ; . 19->/oN (119oN[)
119oN[ 4 (=,88 . 19-=) / (9,;8 . 19->)
119oN[ 4 69 oN
[ 4 11969 4 :9 oN
Cawamal3 N
Cawam3 eulagal asas mbang
Gabor sjrap 4 gabor bjpas
ds. ns. [s4 dB. nB. [B
>99 . 1 . (;919) 4 dB. 1 . (199;9)
0999 4 dB. 69
DB4 1:9 erad
Cawamal3K
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8/9/2019 Pembahasan UN Fisika SMA 2014 Paket 4
9/20
Kowlboak gulcule` http3//f`s`gaultugul.mboespot.nod
K`mahas objh Cohal Aghdak`l, ^.Yk
Yjdmahasal3
Y1V1
[14
Y=V=
[=
Y1V
[4
Y=.>
;V
=[
Y1
Y=4
>
= . ;4
>
8
Cawamal3K
Yjdmahasal3
a. [jrbjm`h kahubu h`tule [=.
J 4 1[=
[1
9,= 4 1[=
6;9 G
[=
6;9 G4 19,= 4 9,8
[=4 9,8 . 6;9 G 4 :1= G
m. Djleh`tule [1(J 4 >6 % 4 9,>6).
J 4 1[=
[1
9,>6 4 1:1= G
[1
:1= G
[14 19,>6 4 9,6;
[14 :1= G / 9,6; 4 899 G 4 899=5> 4 :=5oN
Cawamal3A
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8/9/2019 Pembahasan UN Fisika SMA 2014 Paket 4
10/20
Kowlboak gulcule` http3//f`s`gaultugul.mboespot.nod
K`mahas objh Cohal Aghdak`l, ^.Yk
Cawamal3 A
Cawamal3 M
Yjdmahasal3
a. [jrbjm`h kahubu h`tule som1.
1
fom4
1
som+
1
som'
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8/9/2019 Pembahasan UN Fisika SMA 2014 Paket 4
11/20
Kowlboak gulcule` http3//f`s`gaultugul.mboespot.nod
K`mahas objh Cohal Aghdak`l, ^.Yk
1
som'4
1
fom 1
som
1
som'4
1
1,8 nd
1
= nd4
=1,8
>,6 nd
^om 4>,6 nd
9,= 4 18 nd
m. Djleh`tule k.
k 4 som,+ fog4 18 nd + 6 nd 4 =; nd
Cawamal3M
Yjdmahasal3
. B
k4 Y
:99 . 190. 9,8 dk
4 9,91 d
k 4 ; . 19-: d
L 4 1/k 4 1 / ; . 19-:4 =:999 /d 4 =:9 /nd
Cawamal3N
Yjdmahasal3
fp4v + vp
vvsfs4
>>9 d s + =9d/s>>9 d s ;9 d/s :89 Hz
fp4>:9 d s=09 d s :89 Hz 4 599 Hz
Cawamal3M
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8/9/2019 Pembahasan UN Fisika SMA 2014 Paket 4
12/20
Kowlboak gulcule` http3//f`s`gaultugul.mboespot.nod
K`mahas objh Cohal Aghdak`l, ^.Yk
Yjdmahasal3
a. [jrbjm`h kahubu h`tule [@ satu djs`l.
[@1994 [@1+ 19 boe l
89 kM 4 [@1+ 19 boe 199
89 kM 4 [@1+ 19 . =
[@14 69 kM
m. Djleh`tule l.
[@l4 [@1+ 19 boe l09 kM 4 69 kM + 19 boe l
19 boe l 4 09 kM69 kM 4 >9 kM
boe l 4 >
l 4 19>4 1.999 muah
Cawamal3A
Yjdmahasal3
a. [jrbjm`h kahubu eadmargal eaya-eaya b`str`g paka duatal QN.
m. Djleh`tule FNA.
FAN4 gQ
AQ
N
r=4 0 . 190
: . 19-6. ; . 19-6
(9,>)=
FAN4 = L
69o69o
QMQN
QA
FAN
FAM
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8/9/2019 Pembahasan UN Fisika SMA 2014 Paket 4
13/20
Kowlboak gulcule` http3//f`s`gaultugul.mboespot.nod
K`mahas objh Cohal Aghdak`l, ^.Yk
n. Djleh`tule FMA.
FAM4 gQ
AQ
M
rAM=
4 0 . 190: . 19-6. ; . 19-6
(9,>)=
FMA4 = L
k.
Djleh`tule F kjleal rudus phytaeoras.
F 4 FAM=+ FAN=4 ==+ ==F 4 ; + ; 4 8
Cawamal3N
Yjdmahasal3C`ga guat djkal b`str`g lob mjrbagu3
J=4 J1
gq
=
r==
4 gq
1
r1=
Q
m=4
; Q
(am)=
1
;4=
(a - m)=
am 41
== m 4 am
=m + m 4 a
>m 4 a
m 4 1/> a
Cawamal3A
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8/9/2019 Pembahasan UN Fisika SMA 2014 Paket 4
14/20
Kowlboak gulcule` http3//f`s`gaultugul.mboespot.nod
K`mahas objh Cohal Aghdak`l, ^.Yk
Yjdmahasal3
Yotjls`ab b`str`g k` kabad moba golkugtor 4 9, sjkalegal k`buar moba V 4 g . q / r.
Cawamal3M
Yjdmahasal3
a. [jrbjm`h kahubu h`tule Ntotab
1
N=>4
1
N=+
1
N>4
1
6+
1
>4
1 + =
6
N=>4 6 / > 4 = F
1
N;:4
1
N;+
1
N:4
1
1=+
1
64
1 + =
1=
N;:4 1= / > 4 ; F
N=>;:4 = N + ; N 4 6 F
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8/9/2019 Pembahasan UN Fisika SMA 2014 Paket 4
15/20
Kowlboak gulcule` http3//f`s`gaultugul.mboespot.nod
K`mahas objh Cohal Aghdak`l, ^.Yk
1
Ntot4
1
N1+
1
N=>;:4
1
6+
1
64
=
6
Ntot4 6 / = 4 > F
m. Djleh`tule Q
Q 4 Ntot. V 4 > F . 1= V 4 >6 N
n.
Djleh`tule VN;:4 V=>;:
VN;:4 Q / N=>;:4 >6 N / 6 F 4 6 Vobt
k. Djleh`tule QN:
QN:4 N;:. VN:4 ; F . 6 Vobt 4 =; N
Cawamal3M
Yjdmahasal3
a.
Aear bjm`h dukah, h`tule tjrbjm`h kahubu hadmatal totab ] 4 > kal ] 4 6 ..
1
]Y4
1
>+
1
64
= + 1
64
>
6
]1=4 6 / > 4 = Gjduk`al htule hadmatal totab ] 4 6 ohd kal ; ohd ya`tu ]tot4 19 Ohd
m. Djleh`tule guat arus ` kjleal djleeulagal hugud @@ g`rnhoff.
= ` + 6 + 19 `1= 4 9
1= `6 4 9
1= ` 4 6
@ 4 6/1= 4 9,: A
Cawamal3A
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8/9/2019 Pembahasan UN Fisika SMA 2014 Paket 4
16/20
Kowlboak gulcule` http3//f`s`gaultugul.mboespot.nod
K`mahas objh Cohal Aghdak`l, ^.Yk
Yjdmahasal3
Zltug djlejtahu` arah `lkugs` daeljt`g yale mjlar eulagal ga`kah taleal galal.
Cjdpob 4 arah arus kal gjjdpat car` ba`l 4 arah `lkugs` daeljt`g.
Cawamal3N
Yjdmahasal3
F 4
9@x@y
= aB
@y4= a
9@x
F/ B
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8/9/2019 Pembahasan UN Fisika SMA 2014 Paket 4
17/20
Kowlboak gulcule` http3//f`s`gaultugul.mboespot.nod
K`mahas objh Cohal Aghdak`l, ^.Yk
@ 4 = . = d; . 19-5Um/A.d . = A
= . 19-5L/d
@y4 1 A (gjg`r` garjla tobag djlobag)
Cawamal3 J
Cawamal3 K
Yjdmahasal3
VY
V^4
LY
L^4
`^
`Y
Arus sjgulkjr sjmalk`le kjleal VYkal LY.
Arus sjgulkar mjrmalk`le tjrmab`g kjleal Vskal Ls.
Cak` pjrlyataal yale mjlar akabah tjealeal pr`djr k`turulgal daga badpu rjkup.Cawamal3N
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8/9/2019 Pembahasan UN Fisika SMA 2014 Paket 4
18/20
Kowlboak gulcule` http3//f`s`gaultugul.mboespot.nod
K`mahas objh Cohal Aghdak`l, ^.Yk
Yjdmahasal3
a. [jrbjm`h kahubu h`tule XB kal XN.
XB4 . B 4 1999 rak/s . 9,0 H 4 099
XN4 1 / ( . N) 4 1 / (1999 rak/s . = . 19-6F)
XN4 196/ =.999 4 :99
m. Djleh`tule ].
S 4 ]=+ XBXN=:99 4 ]=+ 099:99=(:99 )
=4 ]=+ (;99 )
=
=:9999 =
4 ]=
+ 169999 =
]=4 =:9999 =169999 =4 09.999 =
] 4 09.999 =4 >99 Cawamal3K
Cawamal3 K
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8/9/2019 Pembahasan UN Fisika SMA 2014 Paket 4
19/20
Kowlboak gulcule` http3//f`s`gaultugul.mboespot.nod
K`mahas objh Cohal Aghdak`l, ^.Yk
Cawamal3 J
Cawam3
b 4 b91v=
n=
56 d 4 0:d 1 v=n=
1 v=n=
456 d
0: d4 9,8
1v=
n=4 9,8=49,6;
v=
n=419,6;49,>6
v
n4 9,>6 4 9,6n
Cawamal3 N
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8/9/2019 Pembahasan UN Fisika SMA 2014 Paket 4
20/20
Kowlboak gulcule` http3//f`s`gaultugul.mboespot.nod
Yjdmahasal3
J 4 W(d 6N1>+ d 1H
=)(d 6N16+ d 1H
1)T 0>1 DjV
J 4 W(1>,99>> + =,91;1)(1;,99>9 + 1,9958)T 0>1 DjV
J 4 W1:,915;1:,9198T 0>1 DjV
J 4 6,1;;6 DjV
Cawamal3M
Cawamal3 M