An electron moves in a region where the magnetic field is uniform, has a magnitude of 60 μT, and points in the positive x direction. At t = 0 the electron has a velocity that has an x component of 30 km/s, a y component of 40 km/s, and a z component of zero. What is the pitch of the resulting helical path?
A) 13 mm
B) 32 mm
C) 24 mm
D) 18 mm
E) 3.8 mm

Question

Quizplus · Accepted Answer

The Answer of An electron moves in a region where the magnetic field is uniform, has a magnitude of 60 μT, and points in the positive x direction. At t = 0 the electron has a velocity that has an x component of 30 km/s, a y component of 40 km/s, and a z component of zero. What is the pitch of the resulting helical path?
A) 13 mm
B) 32 mm
C) 24 mm
D) 18 mm
E) 3.8 mm

An Electron Moves in a Region Where the Magnetic Field