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6. 2.6. Nitrogen flows in a constant-area duct. Conditions at section 1 are as follows: pi = 200 psia, T = 90F, and V

6. 2.6. Nitrogen flows in a constant-area duct. Conditions at section 1 are as follows: pi = 200 psia, T = 90F, and V = 10 ft/sec. At section 2, we find that p2=45 psia and T2 = 90F. Determine the velocity at section 2.

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