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Physics
Physics
Problem
Point charges
q
1
=
+
3
μ
C
q_1 = +3\,\mu\text{C}
q
1
=
+
3
μ
C
at
x
=
0
x = 0
x
=
0
,
q
2
=
−
2
μ
C
q_2 = -2\,\mu\text{C}
q
2
=
−
2
μ
C
at
x
=
0.10
m
x = 0.10\,\text{m}
x
=
0.10
m
, and
q
3
=
+
5
μ
C
q_3 = +5\,\mu\text{C}
q
3
=
+
5
μ
C
at
x
=
0.20
m
x = 0.20\,\text{m}
x
=
0.20
m
are fixed on the
x
x
x
-axis. Find the magnitude and direction of the net electrostatic force on
q
2
q_2
q
2
. a)
14.4
N
14.4\,\text{N}
14.4
N
toward
+
x
+x
+
x
b)
3.6
N
3.6\,\text{N}
3.6
N
toward
−
x
-x
−
x
c)
3.6
N
3.6\,\text{N}
3.6
N
toward
+
x
+x
+
x
d)
0.36
N
0.36\,\text{N}
0.36
N
toward
+
x
+x
+
x
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