problem29_12

problem29_12 - 29.12: a) d B dt m ax d ( NBA cos t ) NBA...

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29.12: a) : so s, rev 20 min rev 1200 and sin ) cos ( = = = Φ = ωt NBA t NBA dt d dt d B ϖ ε . V 814 . 0 ) rev rad 2 sec)( 60 min 1 min)( rev 440 ( ) m 025 . 0 ( ) T 060 . 0 )( 150 ( 2 max = = = π NBA b) Average
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