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Three +2 µC point charges are fixed in space in the following locations: the first at...

Three +2 µC point charges are fixed in space in the following locations: the first at <1, 0, 0> cm, second at <0, 2, 0> cm, and a third at <-4, 0, 0> cm. (a) Find the net electric field at positions <0, 0, 0> cm and <-1, 1, 0> cm. (b) For each location where you found the electric field, what is the force on a -3 µC test charge.

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