Question

As shown in the figure, a charge +2e is at the origin and an unknown charge Q is at x = +4.0 nm. If the net electric force on a small positive test charge is zero at x = -1 nm, what is the magnitude and sign of the unknown charge?

test charge charge 9 +2e unknown charge Q x=-1 nm x=0 x=+4 nm

Group of answer choices

-50e

+50e

-0.02e

+0.02e

-25e

0 0
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Answer #1

q t2e Q اد ۸۲) ها k 5mm AS te te ft Charge 18 positive, Hen force on it by the is towards left. Hen Net force on it will be z

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