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1 A Sphere With A Charge Of

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−3.40nC and a radius of 1.00 cm is located at the origin of a coordinate system. 1 .
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KATZPSEF1 24.P.005.
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A sphere with a charge of -3.40 nC and a radius of 1.00 cm is located at the origin of a coordinate system.
(a) What is the electric field 2.70 cm away from the center of the sphere along the positive y axis? (Express your answer in vector form.)
E =
N/C
(b) If a particle with a charge of 5.30 nC were placed at that location, what would be the electrostatic force on this charge? (Express your answer in vector form.)
F =
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2
-/3 POINTS
KATZPSEF1 24.P.012.
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A particle with charge q1 = +5.2 JC is located at x = 0, and a second particle with charge 92 = -2.3 JC is located at x = 15 cm. Determine the location of a third particle with charge q3 = +4.3 JC such that the net electric field at x = 25 cm is zero.
cm
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