What is the force, in terms of Coulomb's constant, between two electrical charges of #-2 C# and #3 C# that are #3 m # apart?

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Answer 1 · 2018-07-01T11:44:06

#F=6xx10^9#

#F=(k(Q_1*Q_2))/r^2#

Since the two charges are different (one positive and one negative)
the force will be attraction

Substitute

#Q_1=2," "Q_2=3," "r=3#

#F=9xx10^9*((2xx3)/9)#

#F=6xx10^9#