Sphere a has a charge of 2.0x10-6 c, sphere
b has a charge of 3.0x10-6 c, and sphere c
has a charge of 4.0x10-6 c. what is the
magnitude of the net force on sphere a?
(rab
= 2.0x10-2 m and rac= 2.0x10-2 m)



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