9a An electron follows a helical path in a uniform magnetic field of magnitude 0 300 T The pitch of the path is 6 00 mm and the

Question

9a An electron follows a helical path in a uniform magnetic field of magnitude 0 300 T The pitch of the path is 6 00 mm and the magnitude of the magnetic force on the electron is 2 00 x10 15 N What is the electron s speed

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