steady flow thermodynamic system receives 100 lb/min of a fluid at 30 psia and 200°F and discharges it from a point 80 ft above the entrance section at 150 psia and 600°F. The fluid enters with a velocity of 7200 fpm and leaves with a velocity of 2400 fpm. During this process, there are supplied 25,000 Btu/hr of heat from an external source, and the increase in enthalpy is 2.0 Btu/lb. Determine the work done.

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