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Consider three point charges arranged along the xx axis. Charge q1q1q1 = -4.20 nCnC is located...

Consider three point charges arranged along the xx axis. Charge q1q1q1 = -4.20 nCnC is located at x=x= 0.240 mm and charge q2q2q2 = 2.40 nCnC is at x=x= -0.310 mm . A positive point charge q3q3 is located at the origin.

a-Calculate the value of q3q3 such that the net force on this point charge has a magnitude of 4.80 μNμN

b-Where along the xx axis can q3q3 be placed and the net force on it be zero, other than the trivial answers of x=+∞x=+∞ and x=−∞x=−∞?

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genius_generous answered 2 years ago
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