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¹ Lee, J.Y. (2013). “Private tutoring and its impact on students' academic achievement, formal schooling, and educational inequality in Korea.” Unpublished doctoral thesis. Columbia University.
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wire with a current of 
is oriented 
from parallel to a magnetic field with a strength of 
. What is the force on the wire?
is moving at 
perpendicularly through a magnetic field with a strength of 
. What is the magnitude of the force on the particle?