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Author Question: Composite particles that are composed of a quark and antiquark pair are called A) nucleons. B) ... (Read 200 times)

mwit1967

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on: Jul 29, 2018
Composite particles that are composed of a quark and antiquark pair are called
 
  A) nucleons. B) leptons. C) baryons. D) hadrons. E) mesons.

Question 2

One material used in nuclear bombs is 239Pu, with a half-life of 24,000 years. How long must we wait for a buried stockpile of this substance to decay to 1/1000 of its original activity?
 
  A) 1,200,000 years
  B) 240,000 years
  C) 150,000 years
  D) 82,000 years
  E) 1,500 years
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micaelaswann

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Reply #1 on: Jul 29, 2018
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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mwit1967

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Reply #2 on: Jul 29, 2018
Both answers were spot on, thank you once again


micaelaswann

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Reply #3 on: Jul 29, 2018
Great! Please up vote :D


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