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A group of particles is traveling in a magnetic field of unknown magnitude and direction. You observe that a proton moving at 1.70km/s in the +x-direction experiences a force of 2.10×10?16N in the +y-direction, and an electron moving at 4.60km/s in the ?z-direction experiences a force of 8.50×10?16N in the +y-direction.
A. What is the magnitude of the magnetic field?
B. What is the direction of the magnetic field? (in the xz-plane) (degree from -z direction)
C. What is the magnitude of the magnetic force on an electron moving in the ?y-direction at 3.60km/s ?
D. What is the direction of this the magnetic force? (in the xz-plane) (degree from -z direction)
An isolated conductor of arbitrary shape has a net charge of +9.0 10-6 C. Inside the conductor is a cavity within which is a point charge q = +3.4 10-6 C. What is the charge on the cavity wall
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