Weebly · 2018. 9. 10. · toner particle has a mass of 9.0 x 10-10 kg and carries an average of 20...
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Weebly · 2018. 9. 10. · toner particle has a mass of 9.0 x 10-10 kg and carries an average of 20 extra electrons to provide an electric charge. Assuming that the electric force
