System of particles; Centre of mass, Elastic and inelastic collisions; Rutherford scattering; Centre of mass and laboratory reference frames.
Q 1. Find the laboratory differential cross-section area for the scattering of identical particle of charge e and mass m, if the incident velocity is v. (15 marks)Q 2. Determine the location of the centre of mass of uniform solid hemisphere of mass M and radius R from the centre of its base . (10 marks)