(a) Three point charges are fixed in place in a right triangle. Calculate the +0.80 μC electric force on the -0.60µC charge due to the other two charges. 10.0 cm 8.0 cm| -0.60 μC +1.0 μC (b) A Comb run through one's dry hair attracts small bits of paper. Why? What happens if the hair is wet?

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