Homework Answers
(A)
F14 = k*q1*q4/(r14)2
F14 = 9*109*2*10-9*4*10-9/(0.05)2 [sin45 i - cos45 j]
F14 = (20.36 i - 20.36 j )*10-6 N
(B)
F24 = k*q2*q4/(r24)2
F24 = 9*109*4*10-9*6*10-9/(0.05)2 i
F24 = 86.40*10-6 i N
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