Page 180 - PRAKTIS BELAJAR FISIKA SMA KELAS XII
P. 180
$1C?45 @141 C12D>7 6?C?<9BCA9; =5=9<9;9 6A5;D5>B9 3 P N =
1=21>7 #9;1 ;1C?45 49B9>1A9 45>71> 3181H1 4 P N =
25A6A5;D5>B9 5<5;CA?> H1>7 ;5<D1A 41A9 ;1C?45 5 P N =
25A;535@1C1> =1;B9=D= v =1;B 41> @?C5>B91< @5>785>C9 )141 565; ?=@C?> 6?C?> H1>7 =5>D=2D; 5<5;CA?>
H1>7 49@5A<D;1> 171A 1ADB <9BCA9; =5>:149 >?< 141<18 =5>71<1=9 @5AD2181> @1>:1>7 75<?=21>7 B525B1A
#1A1; 1>C1A1 1>?45 ;1C?45 =1BB1 5<5;CA?> !
!D2D>71> 1>C1A1 25B1A1> 25B1A1> C5AB52DC B521719 45>71> ;?>BC1>C1 )<1>3; ! =1BB1 491=
25A9;DC !
1 2 5<5;CA?> 41> ;535@1C1> 3181H1 5B1A BD4DC
V 0 mv maks 81=2DA1> H1>7 491<1=9 6?C?> C5AB52DC 141<18
2 1 L
v 2
5B1A>H1 @5A<1=21C1> 5<5;CA?> maks 2 L
2d 3 L
4 L
5 L
$D1C =541> <9BCA9; H1>7 =5=@5A<1=21C &1BB1 @1AC9;5< ;1<9 =1BB1 @1AC9;5< 41>
)5A>H1C11> H1>7 25>1A 141<18 M ;535@1C1> @1AC9;5< 1 ;1<9 ;535@1C1> =1;1
1 41> 3
2 41> @5A21>49>71> @1>:1>7 75<?=21>7 @1AC9;5< 41>
3 41> @1>:1>7 75<?=21>7 @1AC9;5< 141<18
4 1
5 41> 2
;B@5A9=5> ?=@C?> =5>D>:D;;1> 218F1 3
6?C?> =5=9<9;9 =?=5>CD= 4
5>5A79 3181H1 C5A;D1>C9B1B9 5
3181H1 25AB961C B521719 @1AC9;5< +52D18 5<5;CA?> 49@5A35@1C ?<58 2541 @?C5>B91<
@1>:1>7 75<?=21>7 6?C?> H1>7 4981=2DA;1> #9;1 ! =1BB1 5<5;CA?> =D1C1> 5<5;CA?> 41>
=5>:149 <5298 ;539< ;?>BC1>C1 )<1>3; @1>:1>7 75<?=21>7 45 A?7<95
)5A>H1C11> H1>7 25>1A 141<18 M D>CD; 5<5;CA?> 9>9 41@1C 49>H1C1;1> 45>71>
1 41> 8D2D>71>
2 41>
3 41> 1 !
4
5 41>
2
)5A>H1C11> @5A>H1C11> 25A9;DC !
5>5A79 6?C?> C941; 25A71>CD>7 @141 9>C5>B9C1B
3181H1 3 !
h
=?=5>CD= 6?C?> =5=5>D89 $ 45>71>
C5C1@1> 41> @1>:1>7 75<?=21>7 3181H1 4 !
6?C?> C941; 4925<?;;1> ?<58 =541> =17>5C
=1D@D> =541> <9BCA9;
5>5A79 H1>7 4921F1 ?<58 C91@ 6?C?> 25B1A>H1 5 !
hc
#9;1 41A9 ;51411> 491=>H1 5<5;CA?> 49@5A35@1C
)5A>H1C11> H1>7 25>1A 141<18 M 25ACDADC CDADC ?<58 2541 @?C5>B91< E?<C 41> .
1 41> @5A21>49>71> @1>:1>7 75<?=21>7 45 A?7<95>H1
2 41> 141<18 M
3 41> 1 4
4
5 41>
2 5
)1>:1>7 75<?=21>7 5<5;CA?> H1>7 25A75A1; 45>71>
;535@1C1> P = B 141<18 M 9;5C18D9 =1BB1
5<5;CA?> P ;7 41> ;?>BC1>C1 )<1>3; P 3
N
N
#B
1 P N =
2 P N =
%.8:2 =*7<=6