Samples of radioactive isotopes are decaying.
Two different samples of radioactive isotopes are decaying. The isotopes have initial amounts of c1 and c2 and half-lives of k1 and k2, respectively. Find an expression for the time t required for the samples to decay to equal amounts.
Discussion 5.2
In a classroom designed for 30 students, the air conditioning system can move 450 cubic feet of air per minute.
(a) Determine the ventilation rate per child in a full classroom.
(b) Estimate the air space required per child.
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