4. Two isolated charges, + 3q and - 3q, are 6 centimeters apart. If 3F is...
4. Two isolated charges, + 3q and - 3q, are 6 centimeters apart. If 3F is the magnitude of the force acting on charge - 3q, what is the magnitude and direction of the force acting on charge + 3q?
a. 4F, Toward charge - 3q
c. 3F, Toward charge - 3q
b. 5F, Away from charge
d. 8F, Away from charge - 3q
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4. Two isolated charges, + 3q and - 3q, are 6 centimeters apart.
If 3F is...
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18. (III) Two charges, -Q and -3Q, are a distance l apart. These two charges are free to move but do not because there is a third (fixed) charge nearby. What must be the magnitude of the third charge and its placement in order for the first two to be in equilibrium?
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