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09/12/2006 10:39 PM Math 3323--Answers to Practice Problems Page 1 of 6 file:///Volumes/USB%20MEMORY/60912/3323/Answers_1.html Math 3323--Fall 1999 Answers to the Old Exam 1 Problems! 1. Solve the first order linear initial value problem Answer: General Solution: 2. Solve the first order linear initial value problem Answer: General Solution: 3. Solve the first order linear initial value problem Answer: General Solution: 4. Solve the initial value problem

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Math 3323--Answers to Practice Problems Page 2 of 6 file:///Volumes/USB%20MEMORY/60912/3323/Answers_1.html Answer: General Solution: 5. Solve the initial value problem Answer: General Solution: 6. If 10% of a radioactive substance decays in 10 minutes, how long does it take 20% to decay? Answer: 7. Let P(t) = the population of the earth, measured in billions. According to the Malthusian Law, (a) At time t = 0 (1650 A.D.), the population was 1/4 ; at time t = 300 (1950 A.D.), the population was 2.5 . Find k. Answer:
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## This note was uploaded on 09/30/2011 for the course PHYSICS 1410 taught by Professor Falco during the Spring '08 term at Texas State.

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