Coulomb's Law (Electric Force) Video Lessons

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Problem: Two point charges, each with 0.1 C (0.1 Coulombs) of charge, are 0.1 m (0.1 meters) apart. Given that k = 9.0×109 Nm2/C2 (the proportionality constant for Coulomb's law), show that the force between the charges is 9.0×109 N.

FREE Expert Solution

From Coulomb's law, the electric force is expressed as:

F=kq1q2r2, where k is Coulomb's constant and r is the distance between the two charges, q1 and q2.

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Problem Details

Two point charges, each with 0.1 C (0.1 Coulombs) of charge, are 0.1 m (0.1 meters) apart. Given that k = 9.0×109 Nm2/C2 (the proportionality constant for Coulomb's law), show that the force between the charges is 9.0×109 N.

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