A proton with a kinetic energy of 0.20 keV follows a circular path in a region where the magnetic field is uniform and has a magnitude of 60 mT. What is the radius of this path?

a. 4.1 cm
b. 2.9 cm
c. 3.4 cm
d. 5.1 cm
e. 2.4 cm


C

Physics & Space Science

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