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Three point charges are placed on the x-axis. A charge of +2.0 μC is placed at...

Three point charges are placed on the x-axis. A charge of +2.0 μC is placed at the origin, -2.0 μC to the right at x = 50 cm, and +4.0 μC at the 100 cm mark.

a. Find the net electric force (magnitude and direction) that acts on the charge at the origin.

b. Find the net electric field (magnitude and direction) at x = 25 cm.

c. Find the net electric force (magnitude and direction) on a charge Q = -5 nC placed at x = 25 cm.

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