(a) Using the incompressiblity condition (volume in=volume out), find the exit velocity u3. (b) Assuming perfect mixing, find the mixture density pm through the extraction port 3. (c) Find the heat absorbed by the coolant per unit time Q required to keep the temperature atT = 20°C . Note that the mixture specific heat is C_{p, m}=\frac{\rho_{w} u_{1} A_{1} C_{p, w}+\rho_{a} u_{2} A_{2} C_{p, a}}{\rho_{m} u_{3} A_{3}}

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