Question

In the figure a charged particle (either an electron or a proton) is moving rightward between two parallel charged plates separated by distance d = 5.00 mm. The plate potentials are V?--64.0 V and V2 =-53.0 V. The particle is slowing from an inital speed of 91.0 km/s at the left plate. (a) Is the particle an electron or a proton? (b) What is its speed just as it reaches plate 27 a)| proton ? b) Number the tolerance is +/-5% Units

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