Page 79 - PRAKTIS BELAJAR FISIKA SMA KELAS XII
P. 79
3 !
N
9;5D18E9 ) 41> / P " =1;1
N
P "
1 .
)
.
2
Contoh
Loncatan 8%2781 +52E18 5<5;DB?> 49<5@1C D1>@1 ;535@1D1> 1G1< 41B9 ;1D?45 41> 25B75B1; =5>E:E
1>?45 (?D5>C91< 1>?45 141<18 . <5298 D9>779 41B9@141 ;1D?41 9;5D18E9
=E1D1> 5<5;DB?> N P N 41> =1CC1 5<5;DB?> P ;7
N
1 ,5>DE;1> 5>5B79 @?D5>C91< 5<5;DB?> ;5D9;1 25B141 49 ;1D?41 B5<1D96 D5B8141@
1>?45
2 5B1@1;18 ;535@1D1> 5<5;DB?> C11D =5>E=2E; 1>?41
3 !
N
N
!81&)5 !!! ! 9;5D18E9 . 1>?45 # ;1D?45 ) N P 41> % P ;7
#
1 >5B79 @?D5>C91< 5<5;DB?> 49 ;1D?41 B5<1D96 D5B8141@ 1>?45
<981D $/0 + , 5
$/=3; 7/;>:+5+8 :/6/:+<+8
7>+=+8 63<=;35 <=+=3< A+81 EP EP EP qV qV (1,6 10 3,2 10 19 17 "
C)(200V)
AK
KA
K
A
KA
,/<+; </-+;+ =3,+ =3,+ A+81 2 "9;1 5<5;DB?> 49<5@1C 41B9 ;1D?45 5>5B79 @?D5>C91< 5<5;DB?> 49 ;1D?45 B5<1D96
=/;,/8=>5 .3 .+6+7 +@+8
,+.+3 D5B8141@ 1>?45 1;1> 25BE218 =5>:149 5>5B79 ;9>5D9; C521719 1>1<?79
21H1>7;1> 25>41 :1DE8 2521C '<58 ;1B5>1 25B<1;E E;E= #5;5;1<1> >5B79
8%2781 C11D D921 49 1>?45 5>5B79 @?D5>C91< 5<5;DB?> 25BE218 C5<EBE8>H1 =5>:149 5>5B79
Leap ;9>5D9;
mv N mv
#
# ;1B5>1 5>5B79 ;9>5D9; 1G1<>H1 >?< 5>71> 45=9;91> ;535@1D1> 5<5;DB?> C11D
# "
!81&)5 # =5>E=2E; 1>?45 141<18 v % ;7 = C
Contoh
E1 2E18 @5<1D C5:1:1B 4925B9 2541 @?D5>C91< . C589>771 D5B41@1D =541> <9CDB9;
C5B171= 49 1>D1B1 ;54E1 @5<1D "1B1; 1>D1B1 ;54E1 @5<1D 3=
1 ,5>DE;1> 25C1B ;E1D =541> <9CDB9; D5BC52ED
2 "9;1 =E1D1> ) 49C9=@1> 49 1>D1B1 ;54E1 @5<1D 25B1@1 71H1 H1>7
491<1=9 =E1D1> D5BC52ED
3 !
9;5D18E9 . 3= P = 41> ) P
N
N
1 #E1D =541> <9CDB9; 49 1>D1B1 ;54E1 @5<1D 141<18
.
. =
=
2 1H1 H1>7 491<1=9 =E1D1> ) 141<18
) . = &
$;+5=3< /6+4+; 3<35+ >8=>5 /6+< *