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Problem 23.78 Part A Near the surface of the Earth there is an electric field of about 150 V/m which points downward. Two identical balls with mass 0.401 kg are dropped from a height of 1.66 Im, but one of the balls is positively charged with q, 346 C, and the second is negatively charged with q 2-346 μC Use conservation of energy to determine the difference in the speeds of the two balls when they hit the ground. (Neglect air resistance.) Express your answer using three significant figures. 匹) ? m/s Submit My Answers Give Up Provide Feedback Continue

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