# What is the electric field at a position that is 1.6m East of a point charge of 7.2 x 10^-6C?

The electric field produced by a single point charge is given by: where k is the Coulomb's constant q is the charge r is the distance from the charge In our problem, the charge is , while the distance is , therefore the intensity of the electric field at that distance is and since the charge is positive, the electric field is directed away from the charge (so, eastwards)

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