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raikchuuyl
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Homework Statement
When sugar is poured from the box into the sugar bowl, the rubbing of sugar creates a static electric charge that repels the grains. If each of two sugar grains acquires a charge of 3.0x10(to the negative 11th power) at a separation of 8.0x10(to the negative 5th power)
Homework Equations
electrostatic force= (electrostatic constant)(charge 1)(charge 2)/(distance)(2nd power)
AND
Homework Statement
Each of two hot-air balloons acquires a charge of 3.0x10(to the negative 5th)C on its surface as it travels through the air. How far apart are the balloons if the electrostatic force between them is 8.1x10(to the negative 2nd)N?
I have no idea how to do this :( please help