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Lv 5
A charge of 1.0 nC is at x = -1 cm, a 2nd charge of -1.0 nC is at the origin, and?
a 3rd charge of 4.0 nC is at x = 1.0 cm. What is the electric force on the 1.0 nC charge?
Update:
my answer is 0, but my instructor said it is wrong. Please help!
1 Answer
Relevance
- kirchweyLv 71 decade agoFavorite Answer
F = k(q1q2/r12^2 + q1q3/r13^2) = k(-1E-18/0.01^2 + 4E-18/0.02^2) = k*0. You're correct. Give the instructor a nice ripe raspberry.
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