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physics

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Two small nonconducting spheres have a total charge of 91.7 µC.
(a) When placed 1.10 m apart, the force each exerts on the other is 12.0 N and is repulsive. What is the charge on each? (Round your answers to the nearest 0.1 µC.)
(b) What if the force were attractive?

  • physics -

    k =9•10^9 N•m²/C²
    F=k•q1•q2/r² = k•q ²/r²,
    q =sqrt(F• r²/k) = ...

  • physics -

    100 % incorrect!

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