Question
Asked Nov 6, 2019
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Two point charges are fixed on the y axis: a negative point charge q1 = -25 μC at y1 = +0.17 m and a positive point charge q2 at y2 = +0.33 m. A third point charge q = +8.6 μC is fixed at the origin. The net electrostatic force exerted on the charge q by the other two charges has a magnitude of 25 N and points in the +y direction. Determine the magnitude of q2.

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Step 1

 

 

Given:

Charge on q1 = -25 µC

Charge on q = 8.6 µC

Position of charge q1, y1 = 0.17 m

Position of charge q2, Y2 = 0.33 m

Electrostatic force on q, F = 25 N

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Step 2

q1 exerts a force F1 on q towards +y direction and can be calculated as

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Image Transcriptionclose

kq,q where, k is constant gare the charges risthe distance between the charges plug in the values 9x10 x(25x10)x 8.6 x10 (0.17) 1.935 F 0.03 F 64.5N

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Step 3

Total force on q is F and Force due to q1 is F1. Therefore, force due t...

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Tagged in
SciencePhysics

Electric Charges and Fields

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