A proton with a kinetic energy of 4.9×10−16 Jmoves perpendicular to a magnetic field of 0.26 T
mv2/r = qvB
m is the mass of the proton, v is the velocity, q is the charge and B is the applied magnetic field
r = mv/qB
0.5mv2 = 4.9 10-16
v2 = 4.9 10-16/ (0.5 1.67 10-27)
v = 0.766045 106 m/s
So, r = mv/qB
r = 1.67 10-270.766045 106 / ( 1.6 10-19 0.26)
r = 0.030752 m
A proton with a kinetic energy of 4.9×10−16 Jmoves perpendicular to a magnetic field of 0.26...
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