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problem43_78 - be the fraction of the mass worn or mass of...

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43.78: The activity of the original iron, after 1000 hours of operation, would be Bq 10 8306 . 1 2 ) Ci Bq 10 3.7 ( Ci) 10 4 . 9 ( 5 ) d hr 24 d 45 ( hr) 1000 ( 10 6 × = × × × - - . The activity of the oil is 84 Bq, or 4 10 5886 . 4 - × of the total iron activity, and this must
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Unformatted text preview: be the fraction of the mass worn, or mass of g 10 59 . 4 2-× . The rate at which the piston rings lost their mass is then hr g 10 59 . 4 5-× ....
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