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Author Question: Cobalt-60 is a beta emitter with a half-life of 5.3 years. Approximately what fraction of the ... (Read 67 times)

BSITTON

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on: Nov 5, 2023

Question 1

Cobalt-60 is a beta emitter with a half-life of 5.3 years.  Approximately what fraction of cobalt-60 atoms will remain in a particular sample after 26.5 years?
◦ 1/5
◦ 1/16
◦ 1/26
◦ 1/32
◦ 1/64

Question 2

Cobalt-60 is a beta emitter with a half-life of 5.3 years.  Approximately what fraction of the cobalt-60 atoms in a particular sample will remain after 32 years?
◦ 1/6
◦ 1/8
◦ 1/16
◦ 1/32
◦ 1/64
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Marked as best answer by BSITTON on Nov 5, 2023

JulianneMu

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Reply #1 on: Nov 5, 2023
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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BSITTON

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Reply 2 on: Nov 5, 2023
:D TYSM

gcook

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Reply 3 on: Yesterday
Excellent

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