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Ask iit jee aieee pet cbse icse state board community Discussion Response Post to: smxhk
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INDIAN_ARMY19890 (1265)

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Olaaa!! Perrrfect answer. 225  [295 rates]

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if it is magnitude of electric force then the charges will definitely move with initial acceleration of f/m bcoz resultant of frictional force and electrostatic force will be f in direction of electrostatic force
for preventing charges to move friction force shouid have a magnitude of 2f

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