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Three 2.50 mC charges are placed on tiny conducting spheres at the ends of 1.00 m-long strings
that are connected at 120° angles as shown below. The magnitude, in N, of the force on the knot
at the center is
Select one:
5.63 x 10 -2
b.
3.75 x 10 2
C.
6.5x 10-2
d. 0.
e.
7.5x 10 2

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