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Physics, 16.01.2020 00:31 vanna7353

Asmall metal ball hangs from the ceiling by an insulating thread. the ball is attracted to a positively charged rod held nearthe ball. the charge of the ball must be (a) positive.(b) negative.(c) neutral.(d) positive or neutral.(e) negative or neutral.

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Asmall metal ball hangs from the ceiling by an insulating thread. the ball is attracted to a positiv...

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