Practice Problem $4$

Bsel $=0\mathrm{.}002T$

Esel $=500$ N$/$C

After the velocity selector, carbon $12$ and carbon $14$ atoms $($ionized once$)$ enter a field $B_0=0\mathrm{.}04T.$

Find the distance between the impact points on the screen.

Answer: $0\mathrm{.}26$ m