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Physics
Physics
Problem
A point charge
7
μ
C
7\mu\text{C}
7
μ
C
is placed of
(
−
9
,
0
,
0
)
(-9,0,0)
(
−
9
,
0
,
0
)
Another point charge
−
2
μ
C
-2\mu\text{C}
−
2
μ
C
is placed at
(
9
,
0
,
0
)
(9,0,0)
(
9
,
0
,
0
)
. Find potential energy of system.
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