F = q E
where
E = 4.8*10^2 / 2.5*10^-2
q = 7 * charge of electron
then
a = F/m
where m = 3.5 * 10^-15 Kg
An oil-drop, that has a mass of 3.5 × 10-15 kg and an excess of 7 electrons, is located between horizontal parallel plates. The plates are separated by a distance of 2.5 cm and have and potential diffeDetermine the magnitude and direction of the acceleration on the charged particle.rence of 4.8 × 102 V between them.
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