Questions
B27FF 11. Forces of Nature
Short answer
What is the half life, in minutes, of a sample that shows a decay from 87.12 grams of radioactive material to 21.87 grams in a time period of 19.4 minutes? (answer to two decimal places)
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Step-by-Step Analysis
To analyze the decay, we use the exponential decay model N(t) = N0 * (1/2)^(t / T1/2), where N0 is the initial amount, N(t) is the amount after time t, and T1/2 is the half-life.
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