At the beginning of an experiment, a scientist has 176 grams of radioactive goo. After 165 minutes, her sample has decayed to 5. 5 grams. What is the half-life of the goo in minutes?
Find a formula for G(t) , the amount of goo remaining at time t.G(t)=?
How many grams of goo will remain after 50 minutes? ...?
1 answer:
The half-life equation is written as: An = Aoe^-kt We use this equation for the solution. We do as follows: 5.5 = 176e^-k(165) k = 0.02 <span>What is the half-life of the goo in minutes? </span> 0.5 = e^-0.02t t = 34.66 minutes <----HALF-LIFE Find a formula for G(t) , the amount of goo remaining at time t.G(t)=? G(t) = 176e^-0.02t How many grams of goo will remain after 50 minutes? G(t) = 176e^-0.02(50) = 64.75 g
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