Part A

Two small plastic spheres are given positive electrical

charges. When they are a distance of $14\mathrm{.}5cm$ apart, the

repulsive force between them has a magnitude of $0\mathrm{.}250$

$N.$

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Force between two point charges.

Part B

What is the charge on the first sphere if it equals one$-$quarter the charge of the second sphere?

Express your answer in coulombs.

$Q_1=$

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Part C

What is the charge on the second sphere described in the previous part?

Express your answer in coulombs.

$Q_2=$

C