Physics

Problem

A proton possessing kinetic energy

2.0\,\text{keV}

moves perpendicular to a uniform magnetic field of magnitude

0.04\,\text{T}

. Calculate the radius of the circular path followed by the proton. (Take

e = 1.6\times10^{-19}\,\text{C}

m_{p}=1.67\times10^{-27}\,\text{kg}