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of (3) An electron is projected with horizontal velocity v, 5x10° m/s into a uniform electric field magnitude 4000 N/C pointed upwards that is presented over a horizontal distance of 2 cm (a) F ind the magnitude and direction of the force due to the electric field. Is it justifiable to ignore the gravitational force? (b) By what vertical distance will the electron be deflected when it exits the field? (c) Find the angle with respect to horizontal as it leaves the field. This sort of configuration was used by JJ. Thompson to discover the electron with a device like the one pictured. deffect tay Anode Negative plate Voltage Cathode Positive plate Cathode ray

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