Strontium-90 is a radioactive material that decays according to the function A(t) = An e -0.0244t where An is the initial amount present and A is the amount present at time t in years Assume that a scientist has a sample of 500 grams of strontium-90. (a) What is the decay rate of strontium-90? (b) How much strontium-90 is left after 40 years? (c) When will only 300 grams of strontium-90 be left (d) What is the half-life of strontium-90? Question Viewer
Strontium-90 is a radioactive material that decays according to the function A(t) = An e -0.0244t where An is the initial amount present and A is the amount present at time t in years Assume that a scientist has a sample of 500 grams of strontium-90. (a) What is the decay rate of strontium-90? (b) How much strontium-90 is left after 40 years? (c) When will only 300 grams of strontium-90 be left (d) What is the half-life of strontium-90? Question Viewer
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
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Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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F0,0244t where An is the initial amount present and A is the amount present at time tin years
Strontium-90 is a radioactive material that decays according to the function A(t)= Ag e
Assume that a scientist has a sample of 500 grams of strontium-90.
(a) What is the decay rate of strontium-90?
(b) How much strontium-90 is left after 40 years?
(c) When will only 300 grams of strontium-90 be left
(d) What is the half-life of strontium-90?
Question Viewer
(a) The decay rate of strontium-90 is %.
(Type an integer or a decimal. Include the negative sign for the decay rate.)
(b) Approximately grams of strontium-90 is left after 40 years.
(Do not round until the final answer. Then round to the nearest whole number as needed.)
(c) Only 300 grams of strontium-90 will be left in about
(Do not round until the final answer. Then round to the nearest tenth as needed.)
years.
(d) The half-life of strontium-90 is approximately years,
(Do not round until the final answer. Then round to the nearest tenth as needed.)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F0c17cc7f-db33-42f0-b328-e4836b7566e1%2Fb22d8033-e43c-4ea7-9216-87483fa37bac%2F9m9bxp8_processed.jpeg&w=3840&q=75)
Transcribed Image Text:-
F0,0244t where An is the initial amount present and A is the amount present at time tin years
Strontium-90 is a radioactive material that decays according to the function A(t)= Ag e
Assume that a scientist has a sample of 500 grams of strontium-90.
(a) What is the decay rate of strontium-90?
(b) How much strontium-90 is left after 40 years?
(c) When will only 300 grams of strontium-90 be left
(d) What is the half-life of strontium-90?
Question Viewer
(a) The decay rate of strontium-90 is %.
(Type an integer or a decimal. Include the negative sign for the decay rate.)
(b) Approximately grams of strontium-90 is left after 40 years.
(Do not round until the final answer. Then round to the nearest whole number as needed.)
(c) Only 300 grams of strontium-90 will be left in about
(Do not round until the final answer. Then round to the nearest tenth as needed.)
years.
(d) The half-life of strontium-90 is approximately years,
(Do not round until the final answer. Then round to the nearest tenth as needed.)
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