If the electric field exerts a 27 mN force on a point charge of -30 µC at a certain location in the laboratory,what are the magnitude and direction of the $\vec { E }$ field at that location?

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The Answer of If the electric field exerts a 27 mN force on a point charge of -30 µC at a certain location in the laboratory,what are the magnitude and direction of the $\vec { E }$ field at that location?

If the Electric Field Exerts a 27 MN Force on a Point