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Q. A person weighing 700N on a wire. Determine the tension force in the two segments of the wire. left wire 20 degrees and right wire 40 degrees.

Q. In a certain region, the earth's magnetic field has a magnitude of 4.80 10-5 T and is directed north at an angle of 62° below the horizontal. An electrically charged bullet is fired north and 11° above the horizontal, with a speed of 669 m/s. The magnetic force on the bullet is 2.90 10-10 N, directed due east. Determine the bullet's electric charge, including its algebraic sign (+ or -).

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