1 answer

An unknown charge is located at the origin and an electron is located at x =...

Question:

An unknown charge is located at the origin and an electron is located at x = +0.2 nm. If the net electric force on a small positive test charge is zero at x = -1.5 nm, what is the magnitude and sign of the unknown charge?
test charge q unknown charge Q electron x=-1.5 nm x=0 x=+0.2 nm
test charge q unknown charge Q electron x=-1.5 nm x=0 x=+0.2 nm

Answers

q 1.5 nm 0.2 nm @q=0 EQ = Eq W. & re r2 @ 1.6x10-19 (1-510 22 2 (1.5) 2 1. 245 x 16-19 ] positive because eletons are negativ

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