problem29_69 - B R v s B IsB F R Bvs I Bvs ε R R m m m π...

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29.69: At the terminal speed, the upward force B F exerted on the loop due to the induced current equals the downward force of gravity: mg F B = 2 2 4 1 2 2 2 2 T 2 2 2 2 B 16 4 ) 2 / ( ) 4 ( and and , d s ρ d s ρ A ρL R sd ρ d s ρ V ρ m s B mgR v mg R v s
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Unformatted text preview: B R v s B IsB F R Bvs I Bvs ε R R m m m π τ = = = = = = = = = = = = Using these expressions for m and R gives 2 16 B g ρ ρ v R m T =...
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