Asked by anonymous

2. According to Coulomb’s Law, what is the change of force between two electrically charged bodies when the distance between them is increased by 3 times?
a. Decrease 9 times
b. Increase 3 times
c. Decrease 3 times
d. Increase 9 times
Answered by oobleck
since F=*/d^2, changing d to 3d makes the denominator (3d)^2 = 9d^2
So, A
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