An electron of mass m and charge -e moves at a constant speed v along a circular path of radius r in a region of magnetic field B. In the same region, particle X with mass M moves at a constant speed 3v along a circular path with radius 2r. The direction of revolution of the particles is indicated in the figure. What is magnitude and sign of the charge of particle X? B 2r r Electron Particle X O A. +3 M e 2 m 3 m O B. e 2 M 3 M O C. - e 2 m OD. +2M 3 m e
An electron of mass m and charge -e moves at a constant speed v along a circular path of radius r in a region of magnetic field B. In the same region, particle X with mass M moves at a constant speed 3v along a circular path with radius 2r. The direction of revolution of the particles is indicated in the figure. What is magnitude and sign of the charge of particle X? B 2r r Electron Particle X O A. +3 M e 2 m 3 m O B. e 2 M 3 M O C. - e 2 m OD. +2M 3 m e
Chapter11: Magnetic Forces And Fields
Section: Chapter Questions
Problem 31P: An alpha-particle ( m=6.641027kg , q=3.21019C ) travels in a circular path of radius 25 cm in a...
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