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

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Physics

A point charge 4.80 μC is held fixed at the origin. Asecond point charge 1.40 μC with mass of2.80×10−4 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).

Answer & Explanation Solved by verified expert
3.9 Ratings (526 Votes)
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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