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In the figure an electrically charged particle moves along a circle in a region of uniform magnetic field of magnitude B = 4.00mT. The particle is either a proton or an electron (you must decide which). It experiences a magnetic force of magnitude FB = 3.20 × 10-15 N.
Calculate:
a) the particle's speed.
b) the radius of the circle.
c) the period of the motion.
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