A radioactive substance of mass 100 g is decaying such that after t days the amount remaining,
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A radioactive substance of mass 100 g is decaying such that after t days the amount remaining, M, is given by the equation M = 100e−0.002t.
a. Sketch the graph of M against t.
b. What is the half-life of the substance (i.e. the time taken to decay to half the initial mass)?
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a The graph of M against t can be obtained by plotting the pairs t M fo...View the full answer
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Related Book For
Cambridge IGCSE And O Level Additional Mathematics
ISBN: 9781510421646
1st Edition
Authors: Val Hanrahan, Jeanette Powell
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