If a = 3.0 mm, b = 4.0 mm, Q1 = 60 nC, Q2 = ?80 nC, and q = 36 nC in the figure, what is the magnitude of the electric force on q?
a.
5.0 N
b.
4.4 N
c.
3.8 N
d.
5.7 N
e.
0.60 N
c
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If a = 60 cm, b = 80 cm, Q = ?6.0 nC, and q = 4.0 nC, what is the magnitude of the electric field at point P?
a.
35 N/C
b.
42 N/C
c.
52 N/C
d.
64 N/C
e.
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