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2_9: Air enters a compressor operating at steady state at 14.7 lbf/in2, 70 oF, 23 ft/s...

2_9: Air enters a compressor operating at steady state at 14.7 lbf/in2, 70 oF, 23 ft/s through a 155 in2 opening. Air exits the compressor at 90 lbf/in2, 480 oF, 6.5 ft/s. Heat transfer from the compressor to its surroundings occurs at a rate of 2.8 Btu/s. Determine the power input required for the compressor, hp

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