Many HW problems have had a special symmetry to them,
simplifying the math.
What if that is not available?
Find the Efield at point P.
y
x
Q
1
=+3
µ
C
Q
2
=–2
µ
C
x=0.5m
P (0.8m, 0.35m)
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View Full DocumentFind the Efield at point P:
• Find each magnitude from point charge formula
• Get components from similar triangles
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 Spring '08
 IYER
 Physics, Geometry, Charge, SEPTA Regional Rail, Fundamental physics concepts, point charge formula

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