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Two small spherical metallic objects of equal masses mobj =
0.25 g, are suspendedby light strings of length Lstring as shown
in the Figure below:
m
m
The spheres are given the same electric charge qobj = -85 nC and they
come to anequilibrium position when each string is at an angle 0 = 7°
with the vertical.
Determine the length L of the strings.

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