You hold a ruler that has a charge on its tip 2.00 cm above a small...

  

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You hold a ruler that has a charge on its tip 2.00 cm above a small piece of tissue paper to see if it can be picked up. The ruler has 10.0 μC of charge. The tissue has 1.00 g of mass. What is the minimum charge required to pick up the tissue paper? UC A 47.6 g ball of copper has a net charge of 1.5 μC. What fraction of the copper's electrons have been removed? (Each copper atom has 29 protons, and copper has an atomic mass of 63.5.) You hold a ruler that has a charge on its tip 2.00 cm above a small piece of tissue paper to see if it can be picked up. The ruler has 10.0 μC of charge. The tissue has 1.00 g of mass. What is the minimum charge required to pick up the tissue paper? UC A 47.6 g ball of copper has a net charge of 1.5 μC. What fraction of the copper's electrons have been removed? (Each copper atom has 29 protons, and copper has an atomic mass of 63.5.)