Chapter 19, Problem 100PP

Predict/Calculate Referring to Example 19-14 Suppose q₁ = +2.90μC is no longer at the origin, but is now on the y axis between y = 0 and y = 0.500 m. The charge q₂ = +2.90μC is at x = 0 and y = 0.500 m, and point 3 is at x = y = 0.500 m. (a) Is the magnitude of the net electric field at point 3, which we call E_net, greater than, less than, or equal to its previous value? Explain. (b) Is the angle θ that E_net makes with the x axis greater than, less than, or equal to its previous value? Explain. Find the new values of (c)E_net and (d) θ if q₁ is at y = 0.250 m.