Page 174 - PRAKTIS BELAJAR FISIKA SMA KELAS XII
P. 174
5A;1B B9>1A 0 45>71> @1>:1>7 75<?=21>7 K 49B9>1A;1> @141 B52D18 5<5;CA?>
2521B H1>7 491= ,5A>H1C1 B9>1A 0 C5AB52DC 4981=2DA;1> 45>71> BD4DC L
1 ,5>CD;1> @1>:1>7 75<?=21>7 B9>1A 0 H1>7 4981=2DA;1>
2 5A1@1;18 5>5A79 H1>7 49C5A9=1 5<5;CA?>
!6!"
9;5C18D9 K N = 41> L
1 1A9 %12!-!!. : @1>:1>7 75<?=21>7 B9>1A 0 H1>7 4981=2DA;1> 141<18
#B
3 ? B = m.
! ;7 = B
2 >5A79 H1>7 49C5A9=1 5<5;CA?> 141<18 B5<9B98 5>5A79 6?C?> B9>1A 0 H1>7 41C1>7
41> H1>7 C5A81=2DA H19CD
#B = B #
= =
0"- &/(5"3""/ ' %
%1*!+!.,!( $) $!,!- "4+4 ,!3)(!. .$!
+525A;1B 75<?=21>7 5<5;CA?=17>5C9; =5=9<9;9 1 ,5>CD;1> @1>:1>7 75<?=21>7 ?=@C?>
6A5;D5>B9 P !I ,5>CD;1><18 =?=5>CD= 2 #9;1 @5A75B5A1> @1>:1>7 75<?=21>7 6?C?> @141
B5C91@ 6?C?> 41<1= 25A;1B 75<?=21>7 C5AB52DC 565; ?=@C?> 4D1 ;1<9 @1>:1>7 75<?=21>7
?=@C?> 25A1@1;18 BD4DC 81=2DA1>>H1
*104&3*3 %& 20(-*&
;B@5A9=5> 565; 6?C?<9BCA9; 41> 565; ?=@C?> C5<18 =5=2D;C9;1> "4" 5/$*
218F1 3181H1 C5A49A9 1C1B @1AC9;5< @1AC9;5< 6?C?> 6?C?> %1<D 21719=1>1 C =*52;6. 0.586+*70
45>71> @5A9BC9F1 9>C5A65A5>B9 41> 496A1;B9 3181H1 H1>7 C5<18 =5=2D;C9;1> 9*:<24.5
218F1 3181H1 =5AD@1;1> 75<?=21>7 &1>1;18 H1>7 25>1A 3181H1 9CD C 298<.;2; -. :8025.
75<?=21>7 1C1D @1AC9;5< #1F121> 41A9 @5AC1>H11> C5AB52DC B1>71C 49<5=1C9B
$54D1>H1 494D;D>7 ?<58 81B9< 5;B@5A9=5> H1>7 ;D1C $5>H1C11> 9>9 1;89A>H1
=5>71>C1A;1> @141 B52D18 ;5B9=@D<1> 218F1 3181H1 =5=9<9;9 4D1 B961C
H19CD B521719 75<?=21>7 49 B1CD B9B9 41> B521719 @1AC9;5< 49 B9B9 <19>>H1
$?>B5@ C5AB52DC 49;5>1< B521719 ( &! #! " $ %'
$?>B5@ 4D1<9B=5 75<?=21>7 @1AC9;5< 49@5A<D1B ?<58 /4)2 $% 1/',)%
N @141 %?D9B 45 A?7<95 =5>H1C1;1> 218F1 :9;1 3181H1 41@1C
25AB961C B521719 75<?=21>7 41> @1AC9;5< @1AC9;5< @D> =D>7;9> 41@1C 25AB961C
B521719 75<?=21>7 )5A>H1C11> C5AB52DC 49;5>1< B521719 $#' & & %#
&5>DADC 45 A?7<95 %12!-!!. : B5<19> 25A<1;D D>CD; 6?C?>
25A<1;D @D<1 D>CD; @1AC9;5< H1>7 =5=9<9;9 =?=5>CD= 5>71> 45=9;91>
B5C91@ @1AC9;5< H1>7 25A75A1; 1;1> =5=9<9;9 @1>:1>7 75<?=21>7 B525B1A
h h
N
p mv
45>71> @1>:1>7 75<?=21>7 @1AC9;5< =
$ =?=5>CD= @1AC9;5< ;7= B
! =1BB1 @1AC9;5< ;7 41>
v ;535@1C1> @1AC9;5< = B
)1>:1>7 75<?=21>7 @141 %12!-!!. : 49B52DC :D71 @1>:1>7 75<?=21>7
45 A?7<95
!9@?C5B9B 45 A?7<95 1;89A>H1 =5>41@1C 4D;D>71> 2D;C9 5;B@5A9=5>
H1>7 49<1;D;1> ?<58 2525A1@1 9<=DF1> )141 !5)22/. 41>
%1-%1 =5<1;D;1> 5;B@5A9=5> 45>71> =5>781=2DA;1> 5<5;CA?> 41A9
%.8:2 =*7<=6