problem27_20

problem27_20 - 12 magn 10 F F we can safely neglect...

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27.20: (a) qB mv R = kg) 10 67 . 1 ( 12 m) T)( C)(0.250 10 60 . 1 ( 3 27 2 0.950 19 - - × × = = m qBR v s m 10 84 . 2 6 × = v Since B v × is to the left but the charges are bent to the right, they must be negative. b) N 10 96 . 1 ) s m kg)(9.80 10 67 . 1 ( 12 25 2 27 grav - - × = × = = mg F T) )(0.250 s m 10 C)(2.84 10 6 . 1 ( 3 6 19 magnetic × × = = - qvB F N 10 41 . 3 13 - × = Since grav,
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Unformatted text preview: 12 magn 10 F F we can safely neglect gravity. c) The speed does not change since the magnetic force is perpendicular to the velocity and therefore does not do work on the particles....
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