Homework Help: physics

Posted by andrew on Saturday, May 5, 2012 at 10:57am.

A 8.01-nC charge is located 1.95 m from a 4.06-nC point charge.
(a) Find the magnitude of the electrostatic force that one charge exerts on the other.
(b) Is the force attractive or repulsive?

physics - Elena, Saturday, May 5, 2012 at 1:51pm
Coulomb’s Law
F = k •q1•q2/r²,
k =9•10^9 N•m^2/C^2
q1 = 8,01•10^-9 C,
q2 = 4.06•10^-9 C,
r =1.96 m
repulsive force

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