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    College Physics Study Set 2
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    Exam 29: Nuclear Physics
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    Over the Course of 2
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Over the Course of 2

Question 42

Question 42

Multiple Choice

Over the course of 2.0 hours,44% of a radioactive material decays.What is its half-life?


A) 3.45 hrs
B) 2.39 hrs
C) 1.12 hrs
D) 0.88 hrs
E) ​1.69 hrs

Correct Answer:

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