Spheres A, B, and C have charges +18.0 C, –6.0 C and +12.0 C respectively. Spheres A and B touched each other and then separated. Sphere A then touched sphere C and then separated. What is the final charge of each sphere if rA = 2rB = 3rC ? Select one: qA = +15 C , qB = +4 C , and qC = +8 C qA = +15 C , qB = +4 C , and qC = +5 C qA = +8 C , qB = +4 C , and qC = +7 C qA = +8 C , qB = +4 C , and qC = +5

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