1 2 equal charges 28 micro coulomb each are seperated by 5, Ask an Expert

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1. 2 equal charges, 28 micro Coulomb each, are seperated by 5 cm. find the force between these.

2. What is the total charge of all protons in 1 gram of water (H₂O).

3. How many excess electrons can be counted in a rubber rod of -6 x 0.00001 nano Coulombs of charge?

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