An electron with a mass of 9.1 × 10^-31 kg and a charge of -1.6 × 10^-19 C travels in a circular path with no loss of energy in a magnetic field of 0.05 T that is orthogonal to the path of the electron (see figure). If the radius of the path is 0.002 m, what is the speed of the electron?

Transcribed Image Text:

electron ´0.002 m B