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A charge of 2.5 x 10^-8 coul is placed in an upwardly directed uniform electric field...

A charge of 2.5 x 10^-8 coul is placed in an upwardly directed uniform electric field whose intensity is 5 x 10^4 n/coul. What is the work of the electrical force when the charge is moved (a) 45 cm to the right? (b) 80 cm downward? (c) 260 cm at an angle of 45 degrees upward from the horizontal?

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