Unformatted text preview: t minutes after the process begins. Then we have dA ( t ) dt = rate of salt in − rate of salt out . rate of salt in = 10 L / min × . 3 kg / L = 3 kg / min . Since the tank is kept uniformly mixed, A ( t ) / 400 is the mass of salt per liter that is ﬂowing out of the tank at time t . Thus we have rate of salt out = 10 L / min × A ( t ) 400 kg / L = A ( t ) 40 kg / min . 36...
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This note was uploaded on 03/29/2010 for the course MATH 54257 taught by Professor Hald,oh during the Spring '10 term at Berkeley.
 Spring '10
 Hald,OH
 Math, Differential Equations, Linear Algebra, Algebra, Equations

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