Part 2) Any electrically charged object creates an electric field (E-field). To find the net E-field at any point in space, we can first find the E-field vector produced by each individual charge at the point, and then add these vectors together to find their vector sum al the point. Consider the charge arrangement shown below, which might represent the atoms in some complex molecule. The charges have the following values: 91 =93 = +3q 92 = -4q All the charges are an equal distance r from point A. In the arrangement shown, 0 60". Assume all charges are point charges. (Recall: cos 60* =1/2) A A Draw the E-field vector each charge produces at point A. Label the E-field vectors Ey Ez, Ex. Consider both the size and direction of these vectors. (4 points) B What is the direction of the net E-field vector at point A? What is the magrillude in terms of k,q, and r? (4 points) IEnetl = What is the electrostatic potential (voltage) at point A, in terms of k, 9, and of (3 pus) S If we were to measure the electrostatic potential (voltage) at a point just slightly to the it of point A, would we expect it to be slightly smaller or slightly larger than the potential at point A itself? Hint: You should be able to answer this without having to recalculate the volage pts

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