Page 119 - PRAKTIS BELAJAR FISIKA SMA KELAS XII
P. 119
@1AC9;5< 1;1> 25A75A1; =5<9>7;1A 25A<1F1>1> 1 4
45>71> 1A18 :1AD= :1= 2 5
3
qvB
@5A35@1C1> @1AC9;5< a *52D18 @1AC9;5< 25A=D1C1> <9BCA9; 25A75A1; 41<1=
m 2941>7 )* 45>71> ;535@1C1> v 49 41<1= =541>
v
:1A1; C5A:1D8>G1 41A9 141<18 =17>5C G1>7 B5:1:1A BD=2D * !9;1 v =5=25>CD;
" BD4DC I C5A8141@ BD=2D ) @?B9C96 <9>C1B1> @1AC9;5<
<1:D @1AC9;5< 25AD218 B5<1=1 25A141 41<1=
=541> =17>5C9; C5AB52DC 25AD@1 K
1
71A9B <DADB B5:1:1A BD=2D+)
'5A>G1C11> G1>7 25>1A 141<18 K 2 <9>7;1A1> 45>71> BD=2D B5:1:1A BD=2D+)
1 41> 3 <9>7;1A1> 45>71> BD=2D B5:1:1A BD=2D+(
2 41> 4 B@9A1< 45>71> BD=2D B5:1:1A BD=2D+*
3 41> 5 B@9A1< 45>71> BD=2D B5:1:1A 45>71> BD=2D+(
4
5 41> *52D18 ;1F1C 25A25>CD; <9>7;1A1> 25A:1A9 :1A9 3=
25A141 41<1= =541> =17>5C B5A171= + G1>7
'5A21>49>71> =1BB1 4D1 2D18 @1AC9;5< 1A18>G1 B5:1:1A BD=2D <9>7;1A1> !9;1 ;1F1C 491<9A9
41> =D1C1>>G1 " " "54D1 @1AC9;5< C5AB52DC 1ADB =?=5> 71G1 =17>5C =1;B9=D= G1>7
25A75A1; =5<9>7;1A 41<1= =541> =17>5C B5A171= 25;5A:1 @141 ;1F1C 141<18 K
45>71> =?=5>CD= G1>7 B1=1 '5A21>49>71> :1A9 :1A9 1 M %= 4 M %=
L
L
;54D1 @1AC9;5< 141<18 K L L
2 M %= 5 M %=
3 M %=
L
(=()3(/ 7,8:(5>((5 ),802;: +,5.(5 ),5(8 +(5 2,81(2(53(/ 7(+( );2; 3(:0/(5 5+(
'5A81C9;1> 71=21A 49 * , 1 5A1@1;18 :D=<18 <9<9C1> 41> @1>:1>7
B1=@9>7 "5 1A18 =1>1 B?<5>?941
:1AD= ;?=@1B 1;1> 2 5A1@1;18 =541> =17>5C =1;B9=D= 49
=5>G9=@1>7 C5>718 C5>718 B?<5>?941
D1 2D18 ;1F1C <DADB B5:1:1A C5A@9B18 @141 :1A1; 1@1C;18 =1BB1 @1AC9;5< 25A=D1C1> 49C5>CD;1>
3= 41> =1B9>7 =1B9>7 491<9A9 1ADB 41> 45>71> =5<5F1C;1>>G1 41<1= =541> =17>5C
45>71> 1A18 B1=1 +5>CD;1> <5C1; C9C9; G1>7 ;D1C 1719=1>1 31A1>G1 1;C?A 61;C?A 1@1 B1:1 G1>7
=541>>G1 >?< 4989CD>7 41A9 B1<18 B1CD ;1F1C >41 D;DA
D1 2D18 ;1F1C <DADB B5:1:1A 25A1ADB <9BCA9; "1F1C @5AB579@1>:1>7 491<9A9 1ADB
1719=1>1;18 1A18 1ADB @141 =1B9>7 =1B9>7 ;5=D491> 49<5C1;;1> 49 45;1C ;1F1C <DADB B5@5AC9
;1F1C B589>771 ;54D1 ;1F1C B1<9>7 =5>:1D89 49@5A<981C;1> @141 71=21A
'141 =?45< 1C?= ?8A B52D18 5<5;CA?> 25A75A1;
=5>75<9<9>79 9>C9 1C?= 894A?75> 41<1= <9>C1B1>
25A25>CD; <9>7;1A1> 25A:1A9 :1A9 M = 45>71>
L
;5<1:D1> M = B !9;1 =D1C1> 5<5;CA?> 3=
M 25A1@1;18 25B1A =541> =17>5C @141
L
9>C9 1C?= 1;921C 75A1;1> 5<5;CA?> C5AB52DC 3= 3=
D1 2D18 ;1F1C <DADB 25A1ADB <9BCA9; 25AB9<1>71> "1F1C <DADB 491<9A9 1ADB +5>CD;1> 25B1A 71G1
C571; <DADB B1CD B1=1 <19> @141 :1A1; C5AC5>CD G1>7 491<1=9 ;1F1C <DADB
@1;18 @141 ;1F1C C5A:149 71G1 1;B9 A51;B9 +D<9B;1> 61;C?A 61;C?A G1>7 41@1C =5=@5A35@1C
$5>71@1 45=9;91> @DC1A1> =?C?A <9BCA9;
*52D18 B?<5>?941 492D1C 41A9 B5DC1B ;1F1C B5@1>:1>7 *52D18 5<5;CA?> 49@5A35@1C @141 2541 @?C5>B91<
= G1>7 @5>1=@1>7>G1 25A491=5C5A == V B525<D= =5=1BD;9 C571; <DADB =541> =17>5C
91=5C5A @5>1=@1>7 B?<5>?941 3= ,:D>7 D:D>7 L
B?<5>?941 498D2D>7;1> 45>71> BD=25A C571>71> =+ 9;5C18D9 =1BB1 5<5;CA?> M ;7 41>
=D1C1> 5<5;CA?> M
L
V 45>71> 41G1 =1;B9=D= .
1 +5>CD;1> 25B1A ;535@1C1> 5<5;CA?> 41<1=
=541> =17>5C
2 5A1@1 :1A9 :1A9 <9>C1B1> 5<5;CA?>
"8(2:09 ,3(1(8 0902( ;5:;2 ,3(9 '