Part A Learning Goal: To understand why charged particles move in circles perpendicular to a magnetic field and why the frequency At a given moment the particle is moving in the +x direction (and the magnetic field is always in the +z direction). If q is positive, what is the direction of the force on the particle due to the magnetic field? is an invariant. View Available Hint(s) A particle of charge q and mass m moves in a region of space where there is a uniform magnetic field B = Bok (Le., a magnetic field of magnitude Bo in the +2 O + x direction direction). (Figure 1) In this problem, neglect any forces on the particle other than the magnetic force. -x direction O + y direction O - y direction + z direction O - z direction Submit