( )
()
19
2
9
net
2
22
6
0
2
1.6 10
C
Nm
2
cos
2
cos
2 8.99 10
cos 60
4C
2.0 10 m
3.6 10 N C.
xe
e
EEE
d
θθ
ε
−
−
×
⎛⎞
⋅
==
=
=
×
°
⎜⎟
π
⎝⎠
×
=×
G
68. We denote the electron with subscript
e
and the proton with
p
. From the figure below
we see that
G
G
EE
e
d
ep
4
0
2
π
where
d
= 2.0
×
10
–6
m. We note that the components along the
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This note was uploaded on 07/10/2010 for the course PHY 324 taught by Professor Un during the Fall '10 term at The Petroleum Institute.
 Fall '10
 UN

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