pembahasan un fisika sma 2014 paket 4

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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

  • 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

  • 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

  • 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 :

  • 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

  • 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

  • 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

  • 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

  • 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

  • 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'

  • 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

  • 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

  • 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

  • 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

  • 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

  • 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

  • 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

  • 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

  • 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

  • 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