What is the electric potential energy of the electron

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Q. An alpha particle (charge = +2e) is fixed at the origin. A proton is initially at rest at a coordinate x=5.0 nm. If the proton is allowed to move freely, what will its speed be when it reaches an x coordinate x=25nm

Q. Two stationary point charges of 5.00 nC and 2.00 nC are separated by a distance of 55.0 {rm cm}. An electron is released from rest at a point midway between the charges and moves along the line connecting them. What is the electric potential energy of the electron when it is at midpoint and at 14cm from 5 charge?

Reference no: EM1362210

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