Problem

Suppose that a radioactive substance decays according to the model . (a) Show that aft...

Suppose that a radioactive substance decays according to the model .

(a) Show that after a period of the material has decreased to of its original value. is called the time constant and it is defined by this property.

(b)A certain radioactive substance has a half-life of 12 hours. Compute the time constant for this substance.

(c) If there are originally 1000 mg of this radioactive sub-stance present, plot the amount of substance remaining over four time periods .

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Solutions For Problems in Chapter 2.2

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