k = 9.0 × 109 N•m2/C2
Ex = (9.0 × 109 × 7.50 × 10-9)/0.3002 = 750 N/C
Ey = (9.0 × 109 × -3.00 × 10-9)/0.1002 = - 2700 N/C
Three point charges are arranged as shown in Figure.
(a) Find the vector electric field that the q = 7.50 nC and -3.00 nC charges together create at the origin.
N/C + N/C
(b) Find the vector force on the 5.00 nC charge.
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