q, = +2.50 µC at x = 0 (or gin 92 = +1.30 uC at x = -0.500m 93 = +3.20 µC at x = 1.50m find the force on the 3.20 µC charge
q, = +2.50 µC at x = 0 (or gin 92 = +1.30 uC at x = -0.500m 93 = +3.20 µC at x = 1.50m find the force on the 3.20 µC charge
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I'm having difficulty with number 2. The answer should be 4.13 x 10 ^ -2 using coulombs law.
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I: Problems involving Coulomb's Law
1. What is the magnitude of the electric force of attraction between an
and its innermost electron if the distance between them is 1.50 x 102m
2. Three charges are placed on the X-axis as shown:
91 = +2.50 µC at x = 0 (origin)
92 = +1.30 µC at x = -0.500m
93 = +3.20 µC at x = 1.50m
find the force on the 3.20 µC charge
(Answer: 4.13 -10* N)
3. Three charges lie along the x-axis as shown. The charge q,- +15.0 µC
the charge q==6.00 µC is at the origin. Where must a negative charge q.
axis such that the resultant force on it is Zero? (Answer: 0,775 m from origi
92
Origin
4. Three point charges are located at the corners ofa triangle as shown, wher
uC. and q
-2.00 uC. Let a
0.100 m.
a) Find the resultant foree on c and express it in unit vector notalion.
the table method.of summingsckT
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