How much work did the electric field do

Reference no: EM13237575

1) A positive charge of 3.2×10-9 C is brought in from infinity to a point (2m,0). How much work did the electric field do?

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2) Now another positive charge of 3.2×10-9 C is moved from infinity to the coordinates (1m, 2m). How much additional work was done by the electric field? (The original charge is held in place.)

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3) Finally, a negative charge of -3.2×10-9 C is moved from infinity to the coordinates (-2m,0). How much additional work was done by the electric field? (The original two charges is held in place.)

W =

Reference no: EM13237575

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