Pith-Ball Pendulum

I need help with a Physics question. All explanations and answers will be used to help me learn.

The pendulum always runs slower and slower until it stops. Where is the charge going that drives it?2.It was seen in a previous lab that a metal balleven a charged onecan polarize and be attracted to a charged object. Offer a credible explanation as to why the pith ball or hanging metal object is repelled after touching the electrophorus plate or a finger.

Prof. Angela

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