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P1.
Two identical conducting charged spheres are fixed along the
x
axis.
Q
1
= 2.50 nC is
placed at
x
= 7.50 cm and
Q
2
= 5.60 nC is placed at
x
= 7.50 cm.
A)
(3) What is the force
on
Q
12
F
uur
1
due to
Q
2
, in vector form?
B)
(4) A third identical conducting sphere with initial charge
Q
3
= 0.00 is brought into
contact with
Q
1
and then with
Q
2
. What are the new net charges
Q
1
’
,
Q
2
’ and
Q
3
’?
C)
(6) At what position in (
x
,
y
) coordinates can you place
Q
3
’ so there is no net force on
Q
3
’? Infinity is not an option.
D)
(6) You now place
Q
3
’ at (
x
,
y
) = (0.00, 7.50 cm).
What is the force
on
Q
31
F
uur
3
’ due to
Q
1
’, in vector form?
E)
(6) What is the force
on
Q
32
F
uuur
3
’ due to
Q
2
’, in vector form, for configuration in part
1
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View Full Document P2.
In the figure below, particle 1 of charge
q
1
=
–
5.00
μ
C is placed at the origin, (
x
,
y
) =
(0.00, 0.00), and particle 2 of charge
q
2
= +2.00
μ
C at a distance
L
= 1.00 m along
x
axes.
A)
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This note was uploaded on 03/26/2010 for the course PHY 108 taught by Professor Iashvili during the Spring '08 term at SUNY Buffalo.
 Spring '08
 IASHVILI
 Physics, Charge, Force

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