Answered: Question 5 A charge of -3.0 nC lies… | bartleby

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Question 5
A charge of -3.0 nC lies fixed at the origin and a charge of +10.0 nC lies along the x axis fixed at x =
2.0 m.
Where along the x axis will an arbitrary charge experience no net electrostatic force from the two
fixed charges?
Express your answer in cm.

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Introduction:

We are given 2 charges. We are given their values. We are also given their positions along x axis. We are given a 3rd arbitrary charge between them. We have to find position where net force on this 3rd charge is zero. We equate the forces on this 3rd charge due to 2 charges and hence find the position.

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