Homework Help: Physics

Posted by gaaaarh on Sunday, February 3, 2013 at 12:32am.

A proton experiences a force of 4 Newton when it enters perpendicular to the direction of the magnetic field with a speed 100 m/s. What is the force experienced by the proton if it enters parallel to the direction of the magnetic field with a speed of 200 m/s?

Physics - Elena, Sunday, February 3, 2013 at 9:42am
F=0 since F=qvBsinα (α=0)

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