Y2

A nonuniform, but spherically symmetric, distribution of charge has a charge density given as follows: p(r) =po (1 - r/R) for r R where po =3Q/piR^3 is a positive constant. Part A Find the total charge contained in the charge distribution. Express your answer in terms of the variables r, R, Q, and appropriate constants. Part B Obtain an expression for the electric field in the region r > R Express your answer in terms of the variables r, R, Q, and appropriate constants. E1=_ Part C Obtain an expression for the electric field in the region r