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Problem 19.42 Two point charges lie on the z axis. A charge of + 2.40 pC is at the origin, and a charge of-4.80 pC is at z =-13.0 cm. Part A What third charge should be placed at z = +24 cm so that the total electric field at z = +12.0 cm is zero? Express your answer to three significant figures and include appropriate units. Value Units Submit Request Answer

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Thanks for asking ||24 Cm -4.8PL 12Cw fc) Elechic heldt Pout p due to al hare 1012) 122 10-1 2 4.8 2. 1.29 pc

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