A proton, mass 1.67 x 10-27 kg, is projected horizontally midway between two parallel plates that are separated by 0.10 cm, with an electrical field with magnitude 470,000 N/C between the plates. If the plates are 2.90 cm long, find minimum speed of the proton that just misses the lower plate as it emerges from the field.

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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.