How many excess electrons must be present on each sphere
Two small spheres spaced 20cm apart have equal charge. how many excess electrons must be present on each sphere if the magnitude of the force or repulsion between them is 4.57*10^-21 newtons.
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Two small spheres spaced 20cm apart have equal charge. How many excess electrons must be present on each sphere if the magnitude of the force or repulsion between them is 4.57*10^-21 newtons.
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