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Abar magnet cut in half will form a total ofpoles.a)fourb)eightc)two

Which of the following is not a physical property of mattera. melting pointb.heat of combustionc. viscosityd. boiling point

An electron moving at 5.06 103 m/s in a 1.23 t magnetic field experiences a magnetic force of 1.40 10-16 n. what angle does the velocity of the electron make with the magnetic field? there are two answers between 0° and 180°. (enter your answers from smallest to largest.)