The half-life of krypton-91 ("Kr) is 10 s. At time t = 0 a heavy canister contains 3 g of this radioactive gas. (a) Find a function m(t) = m,2-h that models the amount of "Kr remaining in the canister after t seconds. (b) Find a function m(1) = m,e¯ that models the amount of "Kr remaining in the canister after i seconds. (c) How much "Kr remains after I min? (d) After how long will the amount of "Kr remaining be reduced to 1 ug (1 microgram, or 10- g)?

The half-life of krypton-91 ("Kr) is 10 s. At time t = 0 a heavy canister contains 3 g of this radioactive gas. (a) Find a function m(t) = m,2-h that models the amount of "Kr remaining in the canister after t seconds. (b) Find a function m(1) = m,e¯ that models the amount of "Kr remaining in the canister after i seconds. (c) How much "Kr remains after I min? (d) After how long will the amount of "Kr remaining be reduced to 1 ug (1 microgram, or 10- g)?

Physics for Scientists and Engineers with Modern Physics

10th Edition

ISBN:9781337553292

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter43: Nuclear Physics

Section: Chapter Questions

Problem 25P: Enter the correct nuclide symbol in each open tan rectangle in Figure P43.25, which shows the...

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