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23 Nov 2019
Two goats at Port Hopeless, Ontario accidentally get into a fieldcontaining radioactive grass. The goat "Aristophanes" eats twice asmuch grass as the goat "Demetrius". However Aristophanes'metabolism is 1.5 times faster than that of Demetrius and theingested isotope has in this case a biological decay constant whichis directly proportional to metabolism. If the biological decayconstant is 0.10 day-1 in Demetrius, how long will it be until thetwo goats contain the same concentration of isotope? Assume thatthe physical half life is very long compared to the biological halflives.
Ans: 14 days
Two goats at Port Hopeless, Ontario accidentally get into a fieldcontaining radioactive grass. The goat "Aristophanes" eats twice asmuch grass as the goat "Demetrius". However Aristophanes'metabolism is 1.5 times faster than that of Demetrius and theingested isotope has in this case a biological decay constant whichis directly proportional to metabolism. If the biological decayconstant is 0.10 day-1 in Demetrius, how long will it be until thetwo goats contain the same concentration of isotope? Assume thatthe physical half life is very long compared to the biological halflives.
Ans: 14 days
Collen VonLv2
28 May 2019
