If three uncharged styrofoam balls are placed together and agitated so that one gains + 3 C of charge and another gains + 4 C of charge, how much charge must there be on the third one? If three uncharged styrofoam balls are placed together and agitated so that one gains 3 of charge and another gains 4 of charge, how much charge must there be on the third one? a.+7 Cb.+1 Cc. 0 Cd.-7 C

Question

Antoine Mckenzie

Physics

21 July, 22:46

If three uncharged styrofoam balls are placed together and agitated so that one gains + 3 C of charge and another gains + 4 C of charge, how much charge must there be on the third one? If three uncharged styrofoam balls are placed together and agitated so that one gains 3 of charge and another gains 4 of charge, how much charge must there be on the third one? a.+7 Cb.+1 Cc. 0 Cd.-7 C

+3

Answers (1)

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Cristina Mitchell · Answer 1

(d) - 7 C

Explanation:

Like charges attracts and unlike charges repel. When the three charges are are agitated, the + 3 C and + 4 C will repel to give of + 7 C. To create a balance in the system, the third charge will - 7 C to give an algebraic sum of zero in the system.