Page 23 - PRAKTIS BELAJAR FISIKA SMA KELAS XII
P. 23

)1&-%6%2  )031&%2+
                                                   #              "  "  #   .1.9.5 =2:/29<8.; .>.5 :A8. 429<:/.;4
                                         82@68.  :.?A8  1.>6  ?.@A  :216A:  82  :216A:  9.6;;E.   &2:/6.?.;  1.;
                                         =2:.;@A9.; @2>7.16 ?20.>. /2>?.:..;   2;4.; 8.@. 9.6;  82@68. 429<:/.;4
                                         1.@.;4 :2;42;.6 :216A: 9.6;  ?2/.46.; 429<:/.;4 .8.; 16=.;@A98.; 1.;
                                         ?2/.46.; 9.6;;E. .8.; 16@2>A?8.; .@.A 16/6.?8.;  &2:/6.?.; @2>7.16 8.>2;.
                                         429<:/.;4 :2:69686 829.7A.; /2>/21. =.1. :216A: /2>/21.






                           %1&%5
                                                                                            #   "
                     *   87<81 9.6+2*;*7
                      +  &4.6* 9.6+2*;*7
                             0.586+*70                                                         "


                                                           !                                   "
                                                                                      "81&)5   %     %       %&  !    "   "
                                              !,"!0     !  :2:=2>965.@8.; 0<;@<5 =2>6?@6C. =2:/6.?.;  ?21.;48.;
                                          !,"!0     "  :2:=2>965.@8.; /2>8.? 429<:/.;4 82@68. =2:/6.?.; @2>7.16
                   ) 0 % . % ,           )A1A@  .;@.>.  /2>8.?  1.@.;4  1.;  4.>6?  ;<>:.9       16?2/A@  #% %$    $
                                         )2:2;@.>. 6@A  ?A1A@ .;@.>. /2>8.? /6.? 1.; 4.>6? ;<>:.9  "  16?2/A@ #% %$
                          - 6 - / %         #   A/A;4.; .;@.>. ?A1A@ 1.@.;4 1.; ?A1A@ /6.? ?2/.4.6 /2>68A@  &.1.
                                          !,"!0     "   @6;7.A9.5 :A8. 429<:/.;4    !2@68.    @6/. 16 =2>:A8..;

                                         /.@.? 1A. :216A:     :.?65 16 :216A: =2>@.:.   .9.: ?29.;4 C.8@A $

                                         :2;2:=A5 7.>.8 # =.1. :216A: 821A.  ?21.;48.;    :2;2:=A5 7.>.8


                                         =.1. :216A: =2>@.:.   .>6 1A. ?246@64. 12;4.; ?.9.5 ?.@A ?6?6 E.;4 ?.:.
                                         E.8;6    16=2><925
                                                                    vt             s   vt
                                                             sin i        1    1.;   sin r        2
            #*-* *+*- 4.     -2+=*< ;=*<=                       a    a             a   a
            *5*< =7<=4 6.7=73=44*7 ./.4  ?256;44. 12;4.; :2:/.;16;48.; 1A. =2>?.:..; @2>?2/A@  16=2><925
            27<.:/.:.7;2 0.586+*70   5*< 272
            <.:-2:2 *<*; ;.+*:2; <8704*<                               sin i  v
            4=7270*7 -.70*7 9*73*70 @*70                                          1                         I
            +.:+.-* +.-* ;.12700* =3=70                                sin r  v 2
            =3=70 *<*;7@* 6.6+.7<=4      12;4.;      ?A1A@ 1.@.;4
            0.586+*70   .:.<*7 4=7270*7
            <.:;.+=< -29*;*70 -2 *<*;            "   ?A1A@ /6.?
            5.69.70*7 4*@= @*70 3=0*             v   02=.@ >.:/.@ 429<:/.;4 =.1. :216A: =2>@.:.  1.;

            +.:+.7<=4 0.586+*70 ;.12700*         v   02=.@ >.:/.@ 429<:/.;4 =.1. :216A: 821A.
            =3=70 =3=70 4=7270*7 6.7024=<2
            486+27*;2 -=* 0.586+*70 2<=    $01!,!!-   6    16?2/A@  A8A: &2:/6.?.;
            #.:9*-=*7 -=* 0.586+*70
            <.:;.+=< -*9*< 6.701*;254*7
            27<.:/.:.7;2 487;<:=4<2/ -*7
            27<.:/.:.7;2 -.;<:=4<2/       2>8.? 429<:/.;4 1.@.;4 =.1. =2>:A8..; ?A.@A :216A: 12;4.; ?A1A@ 1.@.;4   G
                   "81&)5            !           86/.@;E.  8202=.@.; 429<:/.;4 @2>?2/A@ :2;A>A; 1.>6   : ? :2;7.16   : ?
                                          2>.=.8.5 ?A1A@ /6.? /2>8.? 429<:/.;4 @2>?2/A@
                                          !5!"
                                          682@.5A6        G  v      : ?  1.; v      : ?  )2?A.6 12;4.;  $01!,!!-   6


                                         ?6;       : ?
                                          ?6;"      : ?
                                         :.8.

                                                      : ?  ?6;           : ?
                                         ?6;"
                                                    : ?          : ?
                                          ?256;44. 16=2><925 "     G





                  #:*4<2;  .5*3*:  2;24* =7<=4  .5*; (
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