The room temperature (300 K) electron drift mobility in Cu (fcc) is given as ~6 cm2V-1s-3. It's atomic mass and density are 63.546 g/mol and 8.96 g/cm3, respectively. The electronic structure of Cu is [Ar]3d104s]. Determine: a) The electrical resistivity of Cu (p) (4 pts) 2R b) Calculate the mean scattering time (t). (4 pts) c) The mean free path (() in nm (if the mean speed of the electrons (u) is 2x108 cm/s) (4 pts)