試題詳解

11. The figure shows two charged particles (q₁ = +6e, q₂ = -2e) that are fixed in place and separated by distance d = 1.50 m. At what x coordinate (m) can a third charged particle be placed such that the net force on the third particle is zero?

 
(A) 0.35
(B) -3.96
(C) 3.55
(D) -0.54
(E) 7.10.