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Air at 373°C and 121 kPa flows through a horizontal 7 cm diameter pipe at a...

Air at 373°C and 121 kPa flows through a horizontal 7 cm diameter pipe at a speed of 50 m/s. If the air changes temperature to 375°C at a constant pressure, what is the value of the change in the flow of kinetic energy? Write your result in J/s.

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