Physics 30 - June 6

Today in class students learned how magnetic fields can create circular motion of a charge, since the magnetic force acts perpendicular to the direction of the motion of the charge.  We then learned how a device called a mass spectrometer operates and how it is used to determine the identity of a substance based on its charge to mass ratio.  Notes today were from slides 42-50.  Students were given Assignment 5.4 today.  We will go over this tomorrow and finish Unit 5.