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15 godz. temu · Determine the work done \( W \) in moving a charge \( q \) from a distance \( r_1 \) to \( r_2 \) from the charge \( Q \). The work done against the electrostatic force is given by the integral of the force over the distance: \[ W = \int_{r_1}^{r_2} F \, dr \]
