2 poi A proton (with mass mp1,67x10-27 kg and charge p160x10 19 moves in a circular path in a magnetic field of 8-0.500, as shown in the figure if the proton has uniform velocity of 2.00x106m/s, what is the radius of the path 4.17 cm 5.22 cm 2.98 cm 3.48 cm