A constant heat flux of 40 W/cm² is applied from the outside to the three surfaces (top surface adiabatic) of a 6cmx6cm square pipe. Water enters the pipe at 25°C and its flow rate is 1 kg/s. If the length of the channel is 1.5 m, what will the outlet temperature of the water be? You can get the properties of water at 320K.

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