Mathematics, 17.02.2020 16:25 krrrr
A radioactive substance decays exponentially: The mass at time t is m(t) = m(0)e kt , where m(0) is the initial mass and k is a negative constant. The mean life, M, of an atom in the substance is M = −k Z [infinity] 0 tekt dt. For the radioactive carbon isotrope 14C, used in radiocarbon dating, the value of k is −0.000121. Find the mean life of a 14C atom.
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A radioactive substance decays exponentially: The mass at time t is m(t) = m(0)e kt , where m(0) is...
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