Homework Answers
Answer :
1) We have F = k*q1*q2/r^2 = 9.0x10^9*(53.0x10^-9)^2/0.027^2 = 0.034679N
F = 3.5*10^-2 N
2) The weight = m*g = 0.002kg*9.8m/s^2 = 0.0196
So Fe/ Fg =0.034679/0.0196 = 1.796 = 1.8
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