An electron is moving east in a uniform electric field of 1.50 N/C directed to the west. At point A, the velocity of the electron is 4.55×105 m/s pointed toward the east. What is the speed of the electron when it reaches point B, which is a distance of 0.400 m east of point A?

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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.