(a) Consider the initial-value problem dA/dt kA, A(0) = Ao as the model for the decay of a radioactive substance. Show that, in general, the half-life T of the substance is T = -(ln(2))/k. (b) Show that the solution of the initial-value problem in part (a) can be written A(t) = Ao2-/T. (c) If a radioactive substance has the half-life T given in part (a), how long will it take an initial amount Ao of the substance to decay to Ao/8? =
(a) Consider the initial-value problem dA/dt kA, A(0) = Ao as the model for the decay of a radioactive substance. Show that, in general, the half-life T of the substance is T = -(ln(2))/k. (b) Show that the solution of the initial-value problem in part (a) can be written A(t) = Ao2-/T. (c) If a radioactive substance has the half-life T given in part (a), how long will it take an initial amount Ao of the substance to decay to Ao/8? =
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter4: Calculating The Derivative
Section4.EA: Extended Application Managing Renewable Resources
Problem 2EA
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(1) (a) Consider the initial-value problem dA/dt kA, A(0) Ao as the model for the decay of a
radioactive substance. Show that, in general, the half-life T of the substance is T = -(ln(2))/k. (b)
Show that the solution of the initial-value problem in part (a) can be written A(t) = Ao2-t/T. (c) If
a radioactive substance has the half-life T given in part (a), how long will it take an initial amount
Ao of the substance to decay to Ao/8?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F41fa6b3b-4162-41d1-ba7b-64fab36784a5%2Faba05c59-28a6-4259-9238-17733aa5e4d0%2F5t9ged2_processed.jpeg&w=3840&q=75)
Transcribed Image Text:=
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(1) (a) Consider the initial-value problem dA/dt kA, A(0) Ao as the model for the decay of a
radioactive substance. Show that, in general, the half-life T of the substance is T = -(ln(2))/k. (b)
Show that the solution of the initial-value problem in part (a) can be written A(t) = Ao2-t/T. (c) If
a radioactive substance has the half-life T given in part (a), how long will it take an initial amount
Ao of the substance to decay to Ao/8?
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