Part A How many excess electrons must be distributed uniformly within the volume of an isolated plastic sphere 28.0 cm in diameter to produce an electric field of 1350 N / C just outside the surface of the sphere? Express your answer as a number of electrons. VO ? N = electrons Submit Request Answer Part B What is the electric field at a point 15.0 cm outside the surface of the sphere? Express your answer in newtons per coulomb. AEQ ? E= N/CPart A A point charge 9.50 nC is at the center of a cube with sides of length 0.300 m . For related problem-solving tips and strategies, you What is the electric flux through the surface of the cube? may want to view a Video Tutor Solution of Electric Express your answer in newton meters squared per coulomb. flux through a sphere. IVO AEQ ? N . m2 /C Submit Request Answer Part B What is the electric flux through one of the six faces of the cube? Express your answer in newton meters squared per coulomb. OAL AEd ? D = N . m2/C Sub it