Suppose you want to determine the electric fi eld in a
Chapter , Problem 30(choose chapter or problem)
Suppose you want to determine the electric fi eld in a certain region of space. You have a small object of known charge and an instrument that measures the magnitude and direction of the force exerted on the object by the electric fi eld. (a) The object has a charge of 120.0 mC and the instrument indicates that the electric force exerted on it is 40.0 mN, due east. What are the magnitude and direction of the electric fi eld? (b) What are the magnitude and direction of the electric fi eld if the object has a charge of 210.0 mC and the instrument indicates that the force is 20.0 mN, due west?
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