A positron travels with a velocity of 3 x 106 m/s (in the y-direction). it enters a region where there is a uniform magnetic field directed in the -z direction whose magnitude is 6T. Find: a) the direction of the initial acceleration b) the radius of the resulting circular motion c) if the magnetic field lies in the x-z plane and was directed at an angle of 25° w.r.t. the +z axis, find the magnitude of the magnetic force

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A positron travels with a velocity of 3 x 10° m/s (in the y-direction). it enters a region where
there is a uniform magnetie field directed in the -z direction whose magnitude is 6T.
Find:
a) the direction of the initial acceleration
b) the radius of the resulting cireular motion
c) if the magnetic field lies in the x-z plane and was directed at an angle of 25° w.r.t. the +z
axis, find the magnitude of the magnetic force
d) for the conditions in (c) describe the path of the positron.
Transcribed Image Text:A positron travels with a velocity of 3 x 10° m/s (in the y-direction). it enters a region where there is a uniform magnetie field directed in the -z direction whose magnitude is 6T. Find: a) the direction of the initial acceleration b) the radius of the resulting cireular motion c) if the magnetic field lies in the x-z plane and was directed at an angle of 25° w.r.t. the +z axis, find the magnitude of the magnetic force d) for the conditions in (c) describe the path of the positron.
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