ph108postmid sem1.compressed (1)
TRANSCRIPT
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C :
E
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E
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E
1
2
3
(1)
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(2) : = 0,
D
,
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+
2
= 0 : :
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+
2
= 0 : :
+
2
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+2
2
= 0,
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3
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sin1
4
cos2
30
=
=
V
r
p
r
VE
r
[ ]
sincos24
0
4
30
3
+=
=
==
rr
pE
E
rr
dip
o
r
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0
()
,
!
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( )
.
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D
FEE
..?
+
+
+
,
=
..
E , :
..,
A ..
D AED. =
.
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: ..
C E, 1
E, 2
2 = 2.25 1
: ..
.
.
+
2
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F
.
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.. ,
. E
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. . +
. . +
. . +
. . +
.. +
. . +
. . +
. . +
.
.+
+
2
D = (2) = (2)
B , =
, = /=
, = =
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+
+
+
++
+
+ =
+
: ()
: & ( & )
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G D
,
+
C
G
E
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G D : A
G
( )
= 0
D ..
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G D : A
+
C
G
( )
D ..
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G D : A
D , , ,
= 0 ( )
[ ]bakdrrr
kQ
b
a
b 444 2
2
==
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D
.. .
; .
, EA
;
F ,
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G D : A
G D
..
= 0
D ..
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G D : A
+
C
G
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+
1
2
+ + + + + + + + + + + +
+ + + + + + + + + + + +
G D : A
D = 0 B
1
1
2
2
222 /)1( kkb =
222 /)1( kkt +=
1
11,
)1(
k
kt
=
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D
D
D E G
B
0
21 D !
, E !!!!
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E0
D E ?
B : A
+ + + + + + + + + +
E
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E0
E
B : A
E E DF ,
0
, ;
= =
, ,
..
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1
2
+
( )
!
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E E D :
F , .
F