0 A bullet of mass m and charge q is fired towards a solid

Last updated: 6/13/2023

0 A bullet of mass m and charge q is fired towards a solid uniformly charged sphere of radius R and having total charge q If it strikes the surface with speed u then find the minimum speed u so that it can penetrate through the sphere neglect all resistance forces acting on bullet except electrostatic force 1 q m q 2TE MR 7 2 q 4 E MR