Differential Equations

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Presentation transcript:

Differential Equations Population Growth & Decay Newton’s Law of Cooling Dicky Dermawan www.dickydermawan.net78.net dickydermawan@gmail.com

Models of Population Growth

Population Growth EXAMPLE 1 Assuming that the growth rate is proportional to population size, develop model for the population of the world. In 1950, the population is 2560 millions & in 2000 increase to 6080 millions What is the relative growth rate? Estimate the number of world population in 2020.

Radioactive Decay

Radioactive Decay

Newton’s Law of Cooling

Newton’s Law of Cooling

Exercise

Exercise

Exercise

Exercise

Exercise

Exercise

Exercise