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algebraically solve for the halfheight points (this involves the use of the quadratic
formula). The results are
12
11
1
0.15
and
1
0.85.
22
αα
⎛⎞
=−
≈
=+
≈
⎜⎟
⎝⎠
Thus, the smaller value of
α
is
1
0.15
=
,
(c) and the larger value of
is
2
0.85
=
.
51. The two charges are
q
=
Q
(where
is a pure number presumably less than 1 and
greater than zero) and
Q
–
q
= (1 –
)
Q
. Thus, Eq. 214 gives
F
QQ
d
Q
d
=
−
=
−
1
4
1
1
4
0
2
2
0
2
ππ
ε
b
g b
g
c
h
b
g
.
The graph below, of
F
versus
, has been scaled so that the maximum is 1. In actuality,
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This note was uploaded on 06/03/2011 for the course PHY 2049 taught by Professor Any during the Spring '08 term at University of Florida.
 Spring '08
 Any
 Physics, Charge

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