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tsgkl
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Homework Statement
Twenty seven charged water droplets each with a diameter of 2 mm and a charge of 10-12 C coalesce to form a single drop .Calculate the potential of the bigger drop.
Homework Equations
V(potential)=[itex]\frac{q}{4∏εr}[/itex]
The Attempt at a Solution
i don't really have an idea from where to start...please help...