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Two point charges Q1 = Q2 = +1.6 µC are fixed symmetrically on the x-axis at...

Two point charges Q1 = Q2 = +1.6 µC are fixed symmetrically on the x-axis at x= ±0.147m. A point particle of charge Q3 = +4.2 µC and mass m= 12 mg can move freely along the y-axis.

(a) If the particle on the y-axis is released from rest at y1 = 0.025 m, what will be its speed, in meters per second, when it reaches y2 = 0.066 m? Consider electric forces ONLY!

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