Help plzzzz thank youu

Physics

1 answer:

dybincka [34]3 years ago

5 0

The answer is B I hope this helps luv

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Req = R1 + R2 + R3 = 10.0Ω + 10.0Ω + 10.0Ω = 30.0Ω

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A 2.5g copper penny is given a charge of -4.0*10^-9c. how mny excess electrons are on the penny?

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Answer : The excess of electrons on the penny are, $2.5\times 10^{10}$ electrons

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