An ionized nitrogen molecule (N2+) at point A has charge +e and moves at 1.24 ✕ 103 m/s in the positive x-direction. A constant electric force in the negative x-direction slows the molecule to a stop at point B, a distance of 0.796 mm past A on the x-axis. Calculate the x-component of the electric field and the potential difference between points A and B. (The mass of a nitrogen molecule is 4.65 ✕ 10−26 kg and the fundamental charge is  e = 1.60 ✕ 10−19 C.)   (a) the x-component of the electric field (in V/m)    (b) the potential difference between points A and B (in V)

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Q: A particle with a charge of -4.7 µC and a mass of 1.4 x 10-6 kg is released from rest at point A and…

A: Charge q = -4.7 x 10-6 C Mass m = 1.4x 10-6 kg Initial velocity u = 0 m/s Final velocity v = 67 m/s

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.