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Q1. A particle of mass 30 grams carries a positive charge of QA=7μC. A horizontal metal plate carries an equal positive
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Q1. A particle of mass 30 grams carries a positive charge of QA=7μC. A horizontal metal plate carries an equal positive
Q1. A particle of mass 30 grams carries a positive charge of QA=7μC. A horizontal metal plate carries an equal positive charge. The particle is released from rest above the horizontal plate. a) If the particle starts from rest at 0.8 m above the plate, calculate its initial acceleration. (3) b) Calculate the height above the plate where the particle could be released from rest and not be observed to move. (3) (6 marks)
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