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daimlerpogi
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Homework Statement
In the figure below, determine (a) the electric force on 10 micro Coulomb due to other charges, and (b) the electric force on 2 micro Coulomb due to other charge
Homework Equations
Coulomb's Law
Fe = kq1q2/D²
k = 9.0 x 10^9
The Attempt at a Solution
I really don't know what to do since there are three charges and I should get the Fe due to other two charges. Should I get the Fe in each charge then subtract it?
(a)
10 and 2
Fe = 9x10^9(10x10^-6)(2x10^-6) / 0.005
Fe = 36N
Fe = 9x10^9(10x10^-6)(5x10^-6) / 0.005
Fe = 90N
Fe of 10micro Coulomb = 90 - 36 = 54N?
I really don't know, but I'm trying my best.
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