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A test charge of +3.00 μC is placed halfway between a charge of +8.00 μC and...

A test charge of +3.00 μC is placed halfway between a charge of +8.00 μC and another of +5.00 μC separated by 10.00 cm. (a) What is the magnitude of the force on the test charge? (b) What is the direction of this force (away from or toward the +8.00 μC charge)?

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