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Exercises

Page (14 of 15) Exercises:   1    2    3    4    5    6    7    8    9    10    11    12    13    14    15  

Exercise 14

Model the situation using a differential equation. State the units of each variable and the units of the derivative.

A beach is eroding by 10 percent per year. Every month the waves deposit an extra 150 cubic feet of sand.

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