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KET Virtual Physics Labs KET 2019 Q6. The accepted half-life of Ba is 2.6 min. Calculate the percentage error of each of your determinations of

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KET Virtual Physics Labs KET 2019 Q6. The accepted half-life of Ba is 2.6 min. Calculate the percentage error of each of your determinations of this half-Life. Show your work. Q7. A physics professor purchased a 137Cs source in September 1990, which had an activity of 2.00x105 disinegrations per second at that time. What is the activity of that source today? (The half-life of 137Cs is 30.2 years.) Show your work

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