Consider three point charges arranged along the x axis. Charge q1 = -4.90 nC is located at x= 0.240 m and charge q2 = 2.30 nC is at x= -0.340 m . A positive point charge q3 is located at the origin.
-Calculate the value of q3 such that the net force on this point charge has a magnitude of 3.10 μN .
-Where along the x axis can q3 be placed and the net force on it be zero, other than the trivial answers of x=+∞ and x=−∞?
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