A cosmic-ray electron moves at 7.5×106m/s perpendicular to Earth’s magnetic field at an altitude where the field strength is 1.0×10−5T. What is the radius of the circular path the electron follows?
A cosmic-ray electron moves at 7.5×106m/s perpendicular to Earth’s magnetic field at an altitude where the field strength is 1.0×10−5T. What is the radius of the circular path the electron follows?