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Problem 21.47 Part A A study shows that mammalian red blood cells (RBCs) carry electric charge resulting from 4.4 million (rabbit cells) to 15 million (human cells) excess electrons spread over their surfaces. Approximating rabbit and human RBCs as spheres with radii 30 μm and 36 μm, respectively. find the electric field strengths at the cells surfaces. Express your answers using two significant figures separated by a comma human MN/C Submit My Answers Give Up Continue

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91 Yabil 1g E. Cells Y10 시

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