tanishanabi tanishanabi

15-11-2022
Physics

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50 POINTS!
Object A is positive
Object A repels object B
Object B I attracted to objects C and D
When C is touched to an electroscope, nothing happens.
When object D touches an electroscope, the leaves repel.
What are the charges of objects B,C and D? Explain your reasoning. (3 pts)

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