P29_058 - (0 . 020)(0 . 052) = 77 . (b) Since we are making...

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58. (a) The kinetic energy gained is due to the potential energy decrease as the dipole swings from a position speciFed by angle θ to that of being aligned (zero angle) with the Feld. Thus, K = U i U f = µB cos θ ( µB cos 0 ) . Therefore, using SI units, the angle is θ =cos 1 µ 1 K µB =cos 1 µ 1 0 . 00080
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Unformatted text preview: (0 . 020)(0 . 052) = 77 . (b) Since we are making the assumption that no energy is dissipated in this process, then the dipole will continue its rotation (similar to a pendulum) until it reaches an angle = 77 on the other side of the alignment axis....
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This note was uploaded on 11/12/2011 for the course PHYS 2001 taught by Professor Sprunger during the Fall '08 term at LSU.

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