Electrostatics

Electrostatics: The study of electric charges, forces, and fields.

The symbol for electric charge is the letter "q" and the SI unit for charge is the coulomb (C). The coulomb is a very large unit.

1 C = 6.25E18 electrons, or
1 electron has charge of 1.60E-19 C.

When two objects with like charges, positive or negative, are brought near each other, they experience a repulsive force. When objects with opposite charges are brought near each other, they experience an attractive force. These forces can be described with Coulomb's Law.

You will need to use Coulomb's Law to solve the following problems.

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Henry Sibley High School
Mendota Heights, Minnesota

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