A 222 Rn atom (radon) in a 0.75 T magnetic field undergoes
Chapter 37, Problem 37.72(choose chapter or problem)
A 222 Rn atom (radon) in a 0.75 T magnetic field undergoes radioactive decay, emitting an alpha particle in a direction perpendicular to B u . The alpha particle begins cyclotron motion with a radius of 45 cm. With what energy, in MeV, was the alpha particle emitted?
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