A beam of protons with various speeds is directed in the sitive z direction. The beam enters a region with a iform magnetic field of magnitude 0.44 T pointing in the gative z direction, as indicated in the figure(Figure 1). It desired to use a uniform electric field (in addition to the agnetic field) to select from this beam only those protons th a speed of 1.42 x 10 m/s - that is, only these otons should be undeflected by the two fields. Determine the magnitude of the electric field that yields the desired result. Express your answer using two significant figures. IVE ΑΣΦ E= Submit Part B Request Answer ? O positive z direction V/m Determine the direction of the electric field that yields the desired result.

A beam of protons with various speeds is directed in the sitive z direction. The beam enters a region with a iform magnetic field of magnitude 0.44 T pointing in the gative z direction, as indicated in the figure(Figure 1). It desired to use a uniform electric field (in addition to the agnetic field) to select from this beam only those protons th a speed of 1.42 x 10 m/s - that is, only these otons should be undeflected by the two fields. Determine the magnitude of the electric field that yields the desired result. Express your answer using two significant figures. IVE ΑΣΦ E= Submit Part B Request Answer ? O positive z direction V/m Determine the direction of the electric field that yields the desired result.

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter11: Magnetic Forces And Fields

Section: Chapter Questions

Problem 28P: An electron in a TV CRT moves with a speed of 6.0107 m/s, in a direction perpendicular to Earth's...

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