Suppose that the magnitude of the electric field of an isolated point charge were q 4πε0r2 + σ rather than q 4πε0r2 . determine the flux that passes through the surface of a sphere of radius r centered.

Afarm is to be built in the shape of quadrilateral abcd, as shown below. all four sides are equal. a rhombus abcd is shown with diagonal ac equal to 15.5 feet and diagonal bd equal to 13.2 feet. what is the area of the farm? pleas only pick from the 4 below 62 square feet 52.8 square feet 57.4 square feet 102.3 square feet