na futuristic laboratory, a spider exposed to the Neogenic Recombina beam made it radioactive. Initially, there are 100mg of the radioactive material present in the spider. If two months later, 5% of the original radioactive mass has depleted, evaluate the time necessary for 10% of the original mass to decay. Assume that the radioactive composition decays at a rate proportional to the amount present. * O 4.1 months O 5.1 months O 3.1 months O 6.1 months

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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In a futuristic laboratory, a spider exposed to the Neogenic Recombinator
beam made it radioactive. Initially, there are 100mg of the radioactive
material present in the spider. If two months later, 5% of the original
radioactive mass has depleted, evaluate the time necessary for 10% of
the original mass to decay. Assume that the radioactive composition
decays at a rate proportional to the amount present. *
4.1 months
O 5.1 months
O 3.1 months
O 6.1 months
Transcribed Image Text:In a futuristic laboratory, a spider exposed to the Neogenic Recombinator beam made it radioactive. Initially, there are 100mg of the radioactive material present in the spider. If two months later, 5% of the original radioactive mass has depleted, evaluate the time necessary for 10% of the original mass to decay. Assume that the radioactive composition decays at a rate proportional to the amount present. * 4.1 months O 5.1 months O 3.1 months O 6.1 months
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