Atom 1 of mass 35 u and atom 2 of mass 37 u are both singly ionized with a charge of +e. After being introduced into a mass spectrometer (Figure) and accelerated from rest through a potential difference V = 7.3 kV each ion follows a circular path in a uniform magnetic field of magnitude B = 0.50 T. What is the distance Δx between the points where the ions strike the detector?