A point charge is held stationary at the origin

PHYSICS · Numerical · A Level · Physics · Fields and their consequences · Fields and their consequences

Problem

A point charge q1=−1.0 Cq_1=-1.0\,\mathrm{C} is held stationary at the origin. A second point charge q2=+2.0 Cq_2=+2.0\,\mathrm{C} moves from (1.0 m,0,0)(1.0\,\mathrm{m},0,0) to (2.0 m,0,0)(2.0\,\mathrm{m},0,0). How much work is done by the electric force on q2q_2?

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