D3.1. Given a 60-μC point charge located at the origin, find the total electric flux passing through: (a) that portion of the sphere r = 26 cm bounded by ; (b) the closed surface defined by p = 26 cm and 0 <0< and 0<< 2 z=126 cm; (c) the plane Ans. 7.5 µC; 60 μC; 30 μC = 26 cm.