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I met some of examples of force in studying classical dynamics, and Lorentz force was represented as $$ \mathbf{F}=\frac{q}{c} \mathbf{\dot{r}} \times \mathbf{B} $$ I've searched for meaning of $c$, but I have no idea. Could anyone please explain it for me?

Qmechanic
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D. Han
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1 Answers1

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You're using Lorentz force in Gaussian Units. The constant $c$ is the speed of light in vacuum.

QuantumBrick
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