1.8 x 10-10N
9.0 x 10-8N
9.0 x 102N
4.5 x 103N
Correct answer is C
F =\(\frac{1}{4{\pi}{\varepsilon}_o}\) x \(\frac {q_1q_2}{r^2}\)
F =\(\frac {5 {\times} 10 {\times} 8 {\times} 10}{0.002 {\times} 0.002}\) x 9 x 10
F = 900N
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