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Two tiny, spherical water drops, with identical charges of -7.65 x 10-16 C, have a center-to-center separation of 0.826 cm. (a) What is the magnitude of the electrostatic force acting between them? (b) How many excess electrons are on each drop, giving it its charge imbalance? (a) Number i 7.719E-21 Units N (b) Number 4.781E3 Units No units