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A charged particle is injected at 215 m/s into a 0.0739-T uniform magnetic magnetic field perpendicularly to the field. The diameter of its orbit is measured and found to be 0.0319 m. What is the charge-to-mass ratio of this particle?
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A hunter wishes to cross a river that is 1 km wide and that flows with a speed of 3 km/h. The hunter uses a small powerboat that moves at a maximum speed of 11 km/h with respect to the water. What is the time necessary f ...
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