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## Homework Statement

here is picture ive drawn up : http://www.mathhelpforum.com/math-help/attachments/f12/20731d1297284244-five-iterations-euler-s-method-please-help-eulermethod.jpg [Broken]

It is a tank fed by 2 streams with volumetric flow rates A& B - the tank operates at atmospheric pressure and drains naturally through C, The outlet flow rate C is known to be proportional to the liquid level in the tank.

question 1 = if C is shut and the tank is empty , calculate time taken for the tank to fill.

question 3 = calculate the steady state liquid level in the tank for the given conditions

question 4 = Assume that the system is at steady state with the inlets given, demonstrate how the system would respond dynamically to attain steady state if inlet A is was stopped. Show hand calculations for 5 iterations of the Euler method using step size of 20 minuites.

im just really stuck on question 4 - question 1 -3 i think im ok on.

## Homework Equations

## The Attempt at a Solution

managed to answer question 1 - = (6x4) - 0.15 = 23.85 mins for tank to fill

unsure the on question 4

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