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A) A small cork with an excess charge of +9.0x10^-6 is placed 0.13 m from another cork, which carries a charge of −3.2x10^-6. What is the magnitude of the electric force between the corks? The Coulomb constant is 8.98755 × 10^9 N • m^2/C^2. Answer in units of N

B)Is this force attractive or repulsive?
1. Unable to determine
2. Attractive
3. Repulsive
C) How many excess electrons are on the negative cork? Answer in units of electrons
D) How many electrons has the positive cork lost? Answer in units of electrons

1 answer

Repulsive
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