What is the force, in terms of Coulomb's constant, between two electrical charges of -3 C and -4 C that are 4 m apart?

1 Answer
Jul 2, 2016

F=3/4K

Explanation:

Given the force for 2 bodies of set charge, in terms of Coulomb's constant is
F=K(q_1q_2)/r^2

Here, we'll take q_1=-3C and q_2=-4C and r=4m so that means r^2=16m

Substituting the values, we get F=k(-3*-\cancel4^1)/cancel{16}^4

Cancelling the negative terms, we see that the answer is what I have mentioned up there.