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OpenStudy (anonymous):
A wire carries a current I = 1.7 A at an angle q = 58.5 with respect to a magnetic field B = 3.910-2 T. If it has a length L = 6.7 m, what is the magnitude of the force on it? Ions with a charge of 1e (e is the charge of the electron) travel at a speed v = 4.7106 m/s at right angles to a field of 3.6 T. If the ions travel in a circle of radius R = 0.47 m, what is their mass?
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