A particle of charge \( +3 \times 10^{-9} \mathrm{C} \) is in a uni...

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A particle of charge \( +3 \times 10^{-9} \mathrm{C} \) is in a uniform field directed to the left. It is released from rest and moves a distance of \( 5 \mathrm{~cm} \), after which its kinetic energy is found to be \( 4.5 \times 10^{-5} \mathrm{~J} \). What work was done by the electrical force?
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