Question

Charges A, B, and are arrayed along the y axis, with QA = -3,90 nC, 93.00 nC, and c = 4.90 nC (see figure below). The distance between charges A and B is 71 - 1.00 m, and the distance between charges B and C is y2 = 2.60 m. 9A Vi 98 4c (a) What is the net electrostatic force on charge A? magnitude direction Select (b) What is the net electrostatic force on charge 87 magnitude direction --Select- (C) What is the net electrostatic force on charge C magnitude N direction Select

Answer 1

ФА А = -3,9 ҳ10 - 9 с a = 3x lo 9 с 9. = 4.9 x 6-9с. Я, = im & , = 2:6 м. 40 8, іс- а) KA ®р (-) + каде - (?) 3- (9 ч. ) tes) 2 KVA | s (-3) + c Са- (Гus), 3 xox 3-5хто , Зҳ16:9 + 1) ј) 4 :9x 109 (3-с)* t З that A 5 -1.18ҳlot 1 N

..) magnitude 1:18*1007 N. .) direction along ve y-axis KqAVB + K98% y? 42 9x109 x 3x109 x 3x109 ( 3.9x10-9 b. Fret). e) + 4.9 X10-9 (2.c)2 li it Fres) o 10:33 1125x1079 N .) magnitude tve y-axis 1.25 X10 x 10 7 Ni i direction addhyt © (Far) Lx love + Klie CE z] 5 ( 9,792) ġ x 109 x 4.8x109 -* 3.9 X10-9 ܕܝ g 3x10 (2.62 + (3-6)2 f - 6:30 x1079 ANS, (Fuet ) magnitude 6:30 X10-9 N is direction along -ve y-aris : circi .