(Solved): three point charges, Q_(1)=21.4\mu C,Q_(2)=-30.6\mu C, and )_(3)=67.3\mu C are positioned at three ...

three point charges,

, and )

are positioned at three corners of a square as hown in the figure. A fourth point charge is located at the pen corner at point

with a charge of

. The quare has height

of

and width

of

. Calculate the magnitude

of the net force on the charge at point A.

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