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78 4.5
K/s l
o 19:56
A small mass charged sphere
(q= 3 µC ) is attached by an
insulating string to the surface
of a very large conductor with
a surface charge density of
o = 46.6 µC. Given that the
string makes an angle with the
surface equal to 30
degrees, find the tension ( in
N) in the string. use ɛo =
8.8542x10-12 F:m¯1.
+
String
+
+
Select one:
А. 47.36
В. 15.79
С. 31.58
D. 62.39
E. 18.23

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