(e19p12) A slendec, 240 - g bar magnet 20.0 cm long has a magnetic moment of 5,90 A m 2. It is held at an angle of 455 ∘to the direction of a uniform magnetic field. When released, it beaint to rotate about its center with an initial anguiar acceieration of 3:60×10 7 rad/s 2. What is the magnitude of the magnetic field? Trles 0/10

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