A charged particle is moving to the right between 2 plates. The plate on the left has a voltage of -70V and the plate on the right has a voltage of -50V. The initial speed of the charge is 90,000 m/s. The particle slows down as it moves toward the right plate. The plates are separated by .002m. a) Is the particle a proton or electron? b) What is its speed just as it gets to the second plate?

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Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.