The mass, m grams, of a radioactive substance is given by the formula m = m 0
Question:
The mass, m grams, of a radioactive substance is given by the formula m = m0 e-kt, where t is the time in days after the mass was first recorded and m0 and k are constants.
The table below shows experimental values of t and m.
a. Draw the graph of ln m against t.
b. Use your graph to estimate the value of m0 and k.
c. Estimate the value of m when t = 27.
Transcribed Image Text:
10 20 30 40 50 m 40.9 33.5 27.4 22.5 18.4
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a The graph of ln m against t would be a straight line As t increases the ...View the full answer
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Related Book For
Cambridge IGCSE And O Level Additional Mathematics Coursebook
ISBN: 9781108411660
2nd Edition
Authors: Sue Pemberton
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