Question: A -50-C charge moves vertically upward at 75 m/s. Which magnetic field will produce a southward magnetic force of 15 mN? (a) 2 T, east;

A -50-C charge moves vertically upward at 75 m/s. Which magnetic field will produce a southward magnetic force of 15 mN? (a) 2 T, east; (b) 2 T, west; (c) 4 T, east; (d) 4 T, west

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