A point charge 4 80 C is held fixed at the origin Asecond point char...

A point charge 4.80 Î¼C is held fixed at the origin. A second point charge 1.40...

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Physics

A point charge 4.80 Î¼C is held fixed at the origin. Asecond point charge 1.40 Î¼C with mass of2.80Ã—10^âˆ’4 kg is placed on the x axis, 0.260 mfrom the origin.
Part A: What is the electric potential energy U of thepair of charges? (Take U to be zero when the charges haveinfinite separation.) (Answer in Joules)
Part B: The second point charge is released from rest. What is itsspeed when its distance from the origin is 0.500 m . (Answer inm/s)
Part C: What is its speed when its distance from the origin is5.00m. (Answer in m/s).
Part D: What is its speed when its distance from the origin is50.0m. (Answer in m/s).

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Part A The expression for the electric potential energy U1 kQqr1 So the electric potential energyU1 9199480106140106 0260 0232 J Part B The second point charge is released from rest What is its See Answer

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