Answer :
Answer:
B. 2.77 x [tex]10^{-4}[/tex] N
Explanation:
The required force can be calculated by:
F = [tex]\frac{Kq_{1}q_{2} }{d^{2} }[/tex]
Where F is the force between the particles, K is the coulomb's constant (9 x [tex]10^{9}[/tex] [tex]Nm^{2}/C^{2}[/tex]), [tex]q_{1}[/tex] is the charge on the first particle, [tex]q_{2}[/tex] is the charge on the second particle and [tex]d^{2}[/tex] is the distance between the particles.
So that:
F = [tex]\frac{9*10^{9}*2.15*10^{-9} *3.22*10^{-9} }{(0.015)^{2} }[/tex]
= [tex]\frac{6.2307*10^{-8} }{(2.25*10^{-4} }[/tex]
= 2.7692 x [tex]10^{-4}[/tex]
The force between the particles is 2.77 x [tex]10^{-4}[/tex] N.