25. Electric Potential
Electric Potential Energy
8:30 minutes
Problem 23.88
Textbook Question
Textbook QuestionNear the surface of the Earth there is an electric field of about 150 V/m which points downward. Two identical balls with mass m = 0.550 kg are dropped from a height of 2.00 m, but one of the balls is positively charged with q₁ = 650 μC, and the second is negatively charged with q₂ = -650 μC . Use conservation of energy to determine the difference in the speeds of the two balls when they hit the ground. (Neglect air resistance.)
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