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Electric Force and Coulomb's Law between Two Point Charges

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Objects A and B are both positively charged. Both have a mass of 500 g, but A has twice the charge of B. When A and B are placed 50.0 cm apart, B experiences an electric force of 0.810 N.

1) How large is the force on A?
2) What are the charges q_A and q_B?
3) If the objects are released, what is the initial acceleration of A?

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Solution Summary

The solution is an application of Coulomb's law to calculate the electric force on the sphere. All workings are shown with brief explanations.