A charge of -2 C is moving at a speed of 5 m/s in the -x direction in a magnetic field of 0.2 T in the +z direction. If its mass is 0.1 kg, how does the charge move?
answer choices:
Clockwise in a circle with a radius of 1.25 m.
Counter-clockwise in a circle with a radius of 1.25 m.
Counter-clockwise in a circle with a radius of 0.80 m.
Clockwise in a circle with a radius of 0.80 m.
Counter-clockwise in a helix with a radius of 0.80 m.
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